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Falsoceratoprion fumagalliae, New Genus and Species: The First Calopterini from Dominican Amber (Coleoptera: Lycidae)

Authors:
Falsoceratoprion fumagalliae, New Genus and Species:
The First Calopterini from Dominican Amber
(Coleoptera: Lycidae)
Authors: Ferreira, Vinicius S., and Tettamanzi, Lorenzo
Source: The Coleopterists Bulletin, 76(2) : 288-292
Published By: The Coleopterists Society
URL: https://doi.org/10.1649/0010-065X-76.2.288
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288
The Coleopterists Bulletin 76(2): 288–292. 2022.
,
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
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
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





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
Falsoceratoprion fumagalliae 
       




I

  
  eg    et al


 et al     

eg 
et al
    





    

     
      
       
     et al  
et al.




      
      

      


        

M
 
   



      


 
      
      
    

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 
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
      
   
       





        









 Falsoceratoprion fumagalliae


  
CeratoprionFalso

Falsoceratoprion


     
    Thonalmus 
    Mesopteron 
     
 
      
      
        

  Cessator   Dominopteron

Thonalmus
Mesopteron    
      

Falsoceratoprion
       
  Thonalmus

         

    Mesopteron   
      


Thonalmus 
MesopteronDominopteron



Thonalmus
Mesopteron

    Electropteron 

Thonalmus
 Mesopteron     


Falsoceratoprion
   Ceratoprion Ceratolycus
Aplopteron

 


  

 
CeratolycusAplopteron
















ca.











ca.
ca.


Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 11 Jun 2022
Terms of Use: https://bioone.org/terms-of-useAccess provided by Royal Library, Copenhagen University Library
 
Falsoceratoprion fumagalliae 
Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 11 Jun 2022
Terms of Use: https://bioone.org/terms-of-useAccess provided by Royal Library, Copenhagen University Library
 





Falsoceratoprion
fumagalliae   
   
      





F. fumagalliae 

    
   





       
Falsoceratoprion  
   
      
et al
   
 

   
       

       
     
Falsoceratoprion
  


 ie

        


Falsoceratoprion
     


 ie    

 
       
    Falsoceratoprion  
    
Falsoceratoprion
        
e.g.    
  Falsoceratoprion   


       
      
 Falsoceratoprion 



       





  
    
       

     





     
 

       


       
    


    


 


 
  

      


   
       


Aporrhipis
       
Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 11 Jun 2022
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 
    

          
     Cessator 
    


     
     

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    
     

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 
   
 
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        

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   
     
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In
       
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        
    

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
       
 
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        
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  
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  
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  
   Plateros 

   Electropteron avus
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bolus       
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Paedomorphosis is a heterochronic syndrome in which adult individuals display features of their immature forms. In beetles, this phenomenon occurs widely in the superfamily Elateroidea, including the net-winged beetles (Lycidae), and, due to the usual flightlessness of paedomorphic females, it is hypothesized to cause speciation rates higher than in non-paedomorphic lineages. However, some fossils of paedomorphic lycids do not support this with palaeobiological data. Discovery of new Lycidae fossils attributed to the West Indian extant paedomorphic genus Cessator Kazantsev in the Dominican amber also suggests morphological stasis within this genus in the Greater Antilles. We describe Cessator anachronicus Ferreira and Ivie, sp. nov. based on adult males, as well as the first ever recorded fossil net-winged beetle larva of the same genus. We propose that the relatively young age of the studied fossils combined with the stable conditions in the forest floor of the Greater Antilles through the last tens of million years could explain the exceptionally conserved morphology in the net-winged beetles affected by the paedomorphic syndrome.
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The Silinae is the most frequently observed subfamily of soldier beetles (Insecta, Coleoptera, Cantharidae) living today in Hispaniola (the Dominican Republic and Haiti). This subfamily also was recently found in Dominican amber with the discovery of the genus Tytthonyx (Silinae, Tytthonyxini). Here we describe and illustrate two new species of this subfamily-the first representatives of the tribe Silini and genus Silis in Dominican amber. Silis (s. str.) hegnai sp. nov. and Silis (s. str.) curleri sp. nov. are easily distinguishable from extinct species of Silis as well as those living in Hispaniola today.
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A new lycid beetle, Murcybolus longiantennus gen. et sp. nov., is reported from mid-Cretaceous Burmese amber (ca. 99 Ma). Murcybolus is placed in the recently erected fossil tribe Burmolycini based on the fully metamorphosed female, 10-segmented antennae, and pronotal disc with deep rounded punctures but without carinae. Murcybolus differs from the other genus in Burmolycini, Burmolycus, by its antennal morphology and elytral venation.
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Lycidae are among the better studied groups in the superfamily Elateroidea, however despite the progress in the taxonomic understanding of the Neotropical fauna, much still remains unknown and undescribed in the region. The description of the new genus Xenolycus gen. nov., from Serra dos Órgãos, a subrange of the Serra do Mar mountain range, in the Atlantic Rainforest in Rio de Janeiro State, Brazil, contributes to the knowledge of the Neotropical Lycidae fauna. The new genus can be distinguished from all other known Calopterini and Neotropical Lycidae by the combination of a pronotum with a wide, deep and strongly visible longitudinal cell in the disc area, the filiform antennae, the dehiscent elytra with reticulation strongly reduced and bearing only two weakly developed elytral costae and the mouthparts partially reduced, with rudimentary, barely visible mandibles. The type species, Xenolycus costae sp. nov., is illustrated and diagnostic characters and a discussion on the tribal placement of the new genus are provided.
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We synthesize the evidence from molecular phylogenetics, extant distribution, and plate tectonics to present an insight in ancestral areas, dispersal routes and the effectiveness of geographic barriers for net-winged beetle tribes (Coleoptera: Lycidae). Samples from all zoogeographical realms were assembled and phylogenetic relationships for ~550 species and 25 tribes were inferred using nuclear rRNA and mtDNA markers. The analyses revealed well-supported clades at the rank of tribes as they have been defined using morphology, but a low support for relationships among them. Most tribes started their diversification in Southeast and East Asia or are endemic to this region. Slipinskiini and Dexorini are Afrotropical endemics and Calopterini, Eurrhacini, Thonalmini, and Leptolycini remained isolated in South America and the Caribbean after their separation from northern continents. Lycini, Calochromini, and Erotini support relationships between the Nearctic and eastern Palearctic faunas; Calochromini colonized the Afrotropical realm from East Asia and Metriorrhynchini Afrotropical and Oriental realms from the drifting Indian subcontinent. Most tribes occur in the Oriental and Sino-Japanese realms, the highest alpha-taxonomic diversity was identified in Malesian tropical rainforests. The turnover at zoogeographical boundaries is discussed when only short distance over-sea colonization events were inferred. The lycid phylogeny shows that poor dispersers can be used for reconstruction of dispersal and vicariance history over a long time-span, but the current data are insufficient for reconstruction of the early phase of their diversification.
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The Leptolycini are a group of Lycidae endemic to the West Indies. Leptolycini adult females have been hypothesized to be extreme paedomorphic (i.e., larviform), however, females and larvae of the group are currently unknown. Here we provide the first association of adult male and immature life stages from the Puerto Rico using DNA barcoding, also collections-based associations and descriptions of immature Leptolycini and the first description of a paedomorphic female from the Virgin Islands. To carry out these life-stage associations we prepared an in-depth review of the Leptolycini fauna of the Puerto Rican bank (Puerto Rico and Virgin Islands). Several new taxa and taxonomic arrangements are proposed: Cessator crypticusnew species, Cessator tortolensisnew species, Cessator obrienorumnew species; Dracolycus chupacabranew genus and species, Dracolycus marshallinew species; Leptolycus falsoheterocornisnew species, and Leptolycus viensisnew species. Nanolycus gnomus Kazantsev is moved to Cessator gnomus (Kazantsev) new combination, rendering Nanolycus Kazantsev a new junior synonym of Cessator Kazantsev. The subgenus Baholycus Bocak is a new junior synonym of Leptolycus Leng and Mutchler. Leptolycus heterocornis var. flavicollis Leng and Mutchler is elevated to Leptolycus flavicollis Leng and Mutchler new status; Leptolycus (Leptolycus) albicauda Kazantsev is a new junior synonym of Leptolycus flavicollis Leng and Mutchler. An updated key to the adults and immature forms of Leptolycini from the Puerto Rican bank and a discussion on the importance of scientific collections in biodiversity studies is also provided.