Alexandre Cruz Domahovski

• Ph.D.
• Federal University of Paraná

The Neotropical leafhopper genus Tenuacia DeLong, 1977 is reviewed, its former subgenus Rubacea DeLong stat. nov. is elevated to genus rank, and new diagnostic characters for Rubacea and Tenuacia are proposed. In addition, two new species are described and illustrated: Rubacea indivisa sp. nov. based on two male specimens collected in Peru and Tenu...

Neocoelidiinae comprises leafhoppers endemic to the New World, with the highest diversity found in the Neotropical Region. Currently, there are 200 valid species within 36 genera. In this study, we transfer Coelidiana distinctissima Linnavuori, 1965 and C. undata (Linnavuori, 1956) to the genus Salvina Melichar, 1926, describe and illustrate the fe...

Gonatopus Ljungh is recognized as the third most diverse genus within Dryinidae (Hymenoptera: Aculeata) and exhibits a pronounced sexual dimorphism. Due to its extensive diversity, species recognition for both sexes are challenging without the use of specimens obtained through rearing or the application of molecular techniques such as DNA barcoding...

The subgenus Polana comprises 34 species, of which only five are currently recorded in Brazil. In this work five new species are described in the subgenus Polana of which P. torta sp. nov. is from Costa Rica and four are from Brazil: P. inflexa sp. nov. from Distrito Federal and states of Mato Grosso do Sul, Goiás, and Paraná; P. insolita sp. nov....

Aphrophoridae is a worldwide distributed family, most diverse in the tropics and less represented in the Holartic region, including 157 genera and 925 species. The New World genus Cephisus currently comprises eight described species which are strongly homogeneous morphologically but have a considerable degree of intraspecific variation. Cephisus si...

Gonatopus Ljungh, 1810, third most diverse genus within the Dryinidae, exhibits marked sexual dimorphism, posing challenges in associating sexes. This study focuses on Gonatopus pinhalensis Martins, 2020, a species with limited sexual association records. Through DNA barcoding, we establish the first sexual association for this species, utilizing s...

This work aims to expand the knowledge of the South American genus of sharpshooters Scopogonalia by describing 13 new species, beyond the 17 currently described, and by providing a morphology-based phylogenetic analysis. Twelve species are described from Brazil: S. gibba sp. nov. , S. hama sp. nov. , S. fenix sp. nov. , S. nigrofasciata sp. nov. ,...

Neocoelidiinae is a subfamily of Cicadellidae endemic to the American continent with 199 valid species allocated in 36 genera and two tribes. Coelidiana comprises 23 species distributed in Central and South America. Here we describe a new species for the genus: Coelidiana aroeira sp. nov. from Paraná state, collected on Schinus terebinthifolia tree...

Culumana currently comprises fourteen species of which thirteen occur in South America, mainly in Peru and Bolivia, and one on Central America. Culumana maculosa sp. nov. is described from Peru and Curtara picchua DeLong, 1979 is transferred to Culumana. A revised diagnosis of the genus Culumana is provided. In addition, Gypona bipartita Linnavuori...

Dryinus Latreille, 1804 is one of the most diverse genera of Dryinidae, comprising more than 340 fossil and recent species. Despite this large diversity, few studies focused on the fauna of this family in the Northeast of Brazil. This study aims to expand the distribution records for Dryinus garcetei Olmi 2012 and Dryinus gibbosus (Olmi, 1984), for...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

Gracilipona gen. nov. is described and illustrated based on males and females of two new species from Brazil: G. tetrarama sp. nov. (type-species) from the states of Minas Gerais, Paraná, Rio de Janeiro, and Rio Grande do Sul, and G. birama sp. nov. from Bahia State. The new genus differs from other genera of the Hecalapona complex as follows: ante...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classification. In this context, the B Brazilian meg...

Ant attendance or trophobiosis is widely distributed in Auchenorrhyncha and can be defined as a disjunctive association, an interspecific relationship between two symbiotic organisms. Aggregation behavior with or without ant mutualism has been documented for nymphs and adults in a few families of Fulgoromorpha whereas ant-attendance is reported for a...

The reduced temporal validity of species lists made available in a traditional manner in scientific publications has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent the up-to-date knowledge of all species and classifications. The Catálogo Taxonômico da Fauna do Brasil (CTFB), made publ...

Catálogo Taxonômico da Fauna do Brasil: se ng the baseline knowledge on the animal diversity in Brazil

The remarkable sharpshooter Prodigiella silvanoi gen. et sp. nov. is described and illustrated (including the external form, color, male and female terminalia) from the Atlantic Forest of southern and southeastern Brazil (states of Paraná and Rio de Janeiro). The new genus can be distinguished from other Neotropical genera of the Cicadellini by a c...

Pinndorama dilatata sp. nov. is described based on specimens from Amazonas State, Brazil. The genus is firstly recorded from the Brazilian states of Amazonas, Goiás, Maranhão, and São Paulo and a distribution map is provided, including new records to P. dianae, P. guartela, P. melanocephala, P. ronurensis, and P. pitanga. The key to males is update...

Palingonalia Young, 1977 is a small, poorly known genus of Neotropical leafhoppers comprising only three described species. Here, we describe for the first time the female genitalia of Palingonalia and provided the first record of P. subta Freytag & Vargas, 2007 from Amazonas state, Brazil. Additionally, a distributional map for the genus, discussi...

Costanana DeLong & Freytag, 1972 is a Neotropical genus of leafhoppers currently comprising 13 species with a wide distribution from Mexico to Argentina. In this study, eight new species of Costanana are described, C. xenomorpha sp. nov. from Department of Cuzco, Peru, and seven Brazilian species: C. alata sp. nov. from Minas Gerais State; C. bifid...

The Neotropical sharpshooter Sofiella gen. nov. is described and illustrated from the Araucaria moist forest in Southern and Southeastern Brazil (States of Paraná, Rio Grande do Sul and São Paulo) based on two new species, S. takiyae sp. nov. (type-species) and S. nicolasi sp. nov. The new genus shares features with Exogonia but can be differentiat...

This study aims to contribute to the taxonomy of the genus Gypona by providing a new synonymy, Gypona parvula Tesón, 1972 equal to Gypona nasua DeLong & Freytag, 1975. In addition, the first record from Paraná State, Southern Brazil is reported.

Based on a phylogenetic analysis using implied weighting for 59 taxa and 155 morphological characters, we provided a taxonomic revision for Acuera. The genus was recovered as polyphyletic; herein we described three new genera and 16 new species, and proposed 23 new combinations, a new status and four new synonyms for Gyponini. Coarctana gen. nov. i...

The poorly known genus Megagallia Linnavuori, 1954 is monotypic and endemic to the Brazilian fauna, recorded only from the Atlantic Forest of Rio de Janeiro State. Herein is described the female genitalia of Megagalia punctaticollis (Stål, 1862) and the first record from Paraná State is reported.

Five new Brazilian species of Fuminana Freytag, 1989 are described and illustrated: F. diaphana sp. nov. from states of Maranhão and Piauí, F. guaricica sp. nov. from Paraná State, F. incurvata sp. nov. and F. retorta sp. nov. from Rondônia State, and F. niluga sp. nov. from states of Acre, Pará, Rondônia and Mato Grosso. The female genitalia is de...

The genus Pareucamptonyx Olmi, 1991 is endemic to the New World and comprises three described species, two from the Neotropical region and one from the Nearctic. Here is presented the first revision of species of Pareucamptonyx from the Neotropical region, including four new species described from Brazil: P. albopictus Martins sp. nov., P. kumagaia...

Eight new Brazilian species of the South American sharpshooter genus Fonsecaiulus Young, 1977 are described and illustrated. Three new species are from Minas Gerais State (F. youngi sp. nov., F. spinosus sp. nov., and F. unciformis sp. nov.), two from Paraná State (F. chelatus sp. nov. and F. takiyae sp. nov.), one from Paraná and Rio Grande do Sul...

Marganana DeLong, 1948 currently includes three species known to occur in the United States, Mexico and Guyana. In this paper, we describe a new species from Brazil – Marganana (Declivana) tetramaculata sp. nov. – which represents the first record of this genus for the country. A revised diagnosis of the subgenus Declivana is provided, along with d...

The subgenus Angusana is newly recorded from Brazil with description of a new species, Polana (Angusana) eliasi sp. nov. from State of Rondônia. Polana (Angusana) exornata is recorded from Costa Rica and the female terminalia is described and illustrated for the first time. A revised diagnosis and key to males of Angusana are provided.

The previously monotypic genus Proxima DeLong & Freytag, 1975 is reviewed and new diagnostic characters are added. The type-species Proxima ocellata DeLong & Freytag, 1975 described from the State of Espírito Santo, Brazil, is redescribed and newly recorded from the State of Minas Gerais. Also, two new species are described and illustrated: Proxima...

A new Brazilian leafhopper genus of the subfamily Neocoelidiinae is proposed: Takiyaella gen. nov. based on T. sexguttata (Chiamolera & Cavichioli, 2003) gen. et comb. nov. and five new species: T. anomala gen. et sp. nov., T. coelhomarquesae gen. et sp. nov., and T. daniela gen. et sp. nov. from the state of Rio de Janeiro; T. cavichiolii gen. et...

Pinndorama gen. nov. is described based on eight new species: P. dianae sp. nov. from the states of Mato Grosso, Mato Grosso do Sul, Minas Gerais and Paraná, Brazil; P. guartela sp. nov. from Paraná, Brazil; P. matogrossensis sp. nov. from Mato Grosso, Brazil; P. melanocephala sp. nov. from Distrito Federal, Brazil, and Cuzco, Peru; P. paraguaia sp...

Three new South American leafhopper genera of the tribe Gyponini are proposed: Beltrana gen. nov. based on Beltrana reticulata gen. et sp. nov. from French Guiana, Fulana gen. nov. based on Fulana brasiliensis gen. et sp. nov. from Brazil, and Sicrana gen. nov. based on Sicrana plana gen. et sp. nov. from Brazil and Ecuador. Diagnoses, detailed des...

Comanopa Blocker, 1979 and Gehundra Blocker, 1976 are small and poorly known genera of leafhoppers, previously comprising four and fi ve species, respectively. In this study, two new species are proposed: Comanopa mananciensis sp. nov. from the state of Paraná, Southern Brazil, and Gehundra cristalinensis sp. nov. from the state of Mato Grosso, Cen...

A new leafhopper genus in the tribe Gyponini is proposed based on Magnana splendida gen. nov. et sp. nov., from the state of Rio de Janeiro, Brazil. Representatives of the new genus differ from other genera in the tribe mainly by the large body size, the narrow head, moderately produced anterad, the rugose crown and frons, the ventral surface of me...

Neopsis campestris sp. nov. is described and illustrated based on male and female specimens collected on native grassland at the Guartelá State Park, Paraná State, Southern Brazil. New distribution records are presented for three previously known species, Neopsis aurea Takiya & Dietrich, 2017, Neopsis myrceugeniae Takiya & Dietrich, 2017 and Neopsi...

The new iassine leafhopper genus Cavichiassus gen. nov. is described based on Cavichiassus punctatus gen. et sp. nov from Southern of Brazil, and can be recognized by the forewing with appendix and first apical cell narrow, more membranous than adjacent cells; the vein separating appendix and first apical cell complete; the protibia with dorsal sur...

Two new species of Bertawolia and one of Momoria are described and illustrated from Brazil: Bertawolia grazielia sp. nov. from Paraná and Santa Catarina; B. lata sp. nov. from Paraná and Momoria albohabena sp. nov. from Paraná and Minas Gerais. The female genitalia of Bertawolia and Momoria species are described and illustrated by the first time. I...

Three new Brazilian species of Polana (Varpulana) are described and illustrated, based on males and females: P. (V.) agualimpa sp. nov., from Distrito Federal; P. (V.) feitosai sp. nov., from Piauí and P. (V.) recurva sp. nov. from Paraná. An updated key to males of P. (Varpulana) is presented, the diagnosis of the subgenus is revised and a new sta...

Two new species of Regalana DeLong & Freytag, 1975 are described and illustrated: Regalana jamari sp. nov. and Regalana madeira sp. nov., both from State of Rondônia, Northern Brazil. Delongiana gen. nov. is described within Gyponini, based on two new species from Brazil: Delongiana ramosa sp. nov., designated as type-species, from Minas Gerais and...

Selenomorphini is a small tribe previously comprising four genera and 21 species, with distribution in the New World and New Caledonia. Herein are described three new species of Pachyopsis Uhler from Brazil: P. fasciatus sp. nov., P. nigrifacis sp. nov., and P. pallidus sp. nov. Two new Brazilian monotypic genera, Parapachyopsis gen. nov. and Uhler...

Three new Brazilian species of the sharpshooter genus Amblyscarta Stål, 1869 and redescription of A. unifasciata (Fabricius, 1803) comb. nov. Abstract Three new Brazilian species of the sharpshooter genus Amblyscarta Stål, 1869 are described and illustrated: A. elianeae sp. nov. (states of Paraná and Minas Gerais), A. souzalopesi sp. nov. (State of...

A new monotypic genus of Iassinae Walker, 1870 tribe Hyalojassini Evans, 1972 is proposed based on Guaricicana borgesi gen. et sp. nov. from the states of Paraná and Rio de Janeiro, southern and southeastern Brazil, respectively. Detailed descriptions and illustrations of males and females are provided, as well as comparisons with the presumably mo...

Two new Brazilian sharpshooter species of the genus Tretogonia Melichar, 1926 are described and illustrated: Tretogonia diminuta sp. nov. and T. elegantula sp. nov., both from the State of Paraná. A redescription of T. dentalis Emmrich, 1988 is provided based on a male from the State of Mato Grosso do Sul. This is the first Brazilian record of T. d...

The genus Aguana Melichar, 1926 previously included only two species from the Atlantic Forest of Southeastern Brazil. Here we provide a revised diagnosis for the genus and describe two new Brazilian species and the female of A. imbricata (Signoret, 1854). The new taxa are A. picinguaba sp. nov. (states of Rio de Janeiro, São Paulo, and Santa Catari...

The genus Acusana is recorded from the Brazilian fauna for the first time, with the description of four new species: Acusana adunca sp. nov. and Acusana spina sp. nov. from Mato Grosso, Central-Western Brazil and Acusana dilatata sp. nov. and Acusana longa sp. nov. from Maranhão, Northeast Brazil. Detailed description and illustrations of male and...

Three new species of Daveyoungana are described and illustrated from Brazil: Daveyoungana blockeri sp. nov. from Maranhão, Daveyoungana longibrachia sp. nov. from Rondônia and Daveyoungana pentacorni sp. nov. from Mato Grosso. A key to species of the genus is provided.

Two new monotypic genera of Gyponini from South America are proposed, described and illustrated. Caetana gen. nov., from Brazil and Ecuador, differs from other genera of the tribe by the scutellum strongly inflated; forewing expanded apically and hind wing with long r-m and m-cu. Insolitana gen. nov., from Peru, differs from other genera by the pre...

Three new Brazilian sharpshooter species of the genus Geitogonalia Young, 1977 are described: G. buccina sp. nov., G. piei sp. nov., and G. tetracorni sp. nov. The first species is known from the states of Rio de Janeiro and Minas Gerais, whereas the second and third species are from the state of Paraná. We provide descriptions of the male and fema...

The Neotropical fauna of Gyponini is very diverse and still poorly known. Many new species have characters that do not fit with the currently recognized genera, which makes it necessary to propose new ones. Herein, we propose two new Brazilian genera of Gyponini: Acuthana gen. nov., based on A. transgressa gen. et sp. nov. from the State of Mato Gr...

Two new species of Polana (Hobemanella) Mckamey, 2006 are described and illustrated from Brazil: Polana (H.) alvarengai sp. nov., from the states of Mato Grosso, Rondônia and Pará, which can be recognized by the aedeagal shaft with subapical group of eight spine-like processes on each side of shaft, on ventral surface; and Polana (H.) arcana sp. no...

Cercopidae is one of the largest families of the spittlebug superfamily Cercopoidea. Most spittlebugs species are characterized by bright color patterns. Thus, this study evaluated for the first time the Cercopidae species collected in rice crops, Novo Progresso, Pará state, Brazil. Insects were collected weekly between November/2010 and March/2011...

Gonatopus amazonicus Olmi is redescribed and illustrated based on a single female reared from an adult parasitized leafhopper belonging to the genus Frequenamia DeLong (Cicadellidae, Deltocephalinae), collected by sweeping on Eugenia uniflora L. in Southern Brazil. This female emerged 46 days after pupation.

Kalopona is a small genus with five species distributed in Brazil, Colombia and Mexico. Two new Brazilian species of Kalopona Freytag, 2015 are described and illustrated: K. insigna sp. nov., from Amazonas and K. sagytta sp. nov., from Mato Grosso. A key to the seven known species of Kalopona is presented.

Gonatopus flavoniger Olmi, 1991, is newly recorded from state of Paraná, Brazil. This record is based on a female specimen reared from a nymph of a leafhopper (Cicadellidae, Deltocephalinae, Athysanini), and one additional female collected by sweeping from the same locality. The species is illustrated and characterized morphologically. Some aspects...

Two new species of Nullana DeLong, 1980 are described and illustrated: N. albinoi sp. nov. and N. sakakibarai sp. nov., both from the state of Paraná, Brazil. Two new synonyms and a new combination are proposed. A key to the 10 known species of Nullana are presented and Nullana gelbana is newly recorded from Paraná State, Brazil.

Six new species of Polana (Varpulana) are described and illustrated, all from Brazil: P. (V.) bahiensis sp. nov., state of Bahia; P. (V.) grossii sp. nov., states of Bahia and Minas Gerais; P. (V.) intricata sp. nov., state of Bahia, P. (V.) naja sp. nov., states of Bahia and Minas Gerais; P. (V.) sapitanduva sp. nov., states of Paraná and Rio de J...

Sulcana cunicula sp. nov. is described and illustrated based on four specimens from municipality of São José dos Pinhais, state of Paraná, Brazil. This species can be distinguished from others in the genus by the following characters: (1) head produced, slightly shorter than median length of pronotum; (2) aedeagus bearing a pair of acute ventral pr...

Gypona (Marganalana) masamune sp. nov. is described and illustrated based on specimens from Brazil, state of Paraná. This species can be distinguished from the others of the genus by the following combination of characters: 1) connective with stalk apex oriented anteriorly; 2) style, in lateral view, L-shaped and broader subapically; apex tapered...

Seven new species of the previously monotypic genus Regalana DeLong & Freytag, 1975, described from Panama, are described and illustrated. The new species are described from lowland and montane Amazonian/Andeanrain forests and Cerrado savanna of Brazil, Ecuador, French Guiana, and Peru. They can be distinguished from each other, as well as from the...

Arapona furcata sp. nov. is described and illustrated based on a male specimen from Peru, department of Madre de Dios. This species can be recognized by the following features: 1) styles without a concavity on the ventral margin; 2) aedeagus robust and with a pair of long and slender preatrial processes; and 3) aedeagus with two apical processes, e...