Heteroptera - Science topic

A publication in my profile doesn’t belong to me is well described topic at R^G Help Center page:

A jar with torn up laurel leaves makes a good killing method for most insects but I can't say for certain it will have no effect on the last antennal segment of Miridae. Put about 1 cm of torn laurel leaves Prunus laurocerasus in the jar with a cm of tissue paper on top and fit an air-tight lid. The laurel gives off cyanide. Laurel bushes vary in how effective their leaves are. If you can't smell marzipan after half an hour, it probably isn't giving off much cyanide. As well as killing, the specimens will be relaxed and can be stored like this long term. You just need to change the laurel when it is exhausted. I don't think Portuguese laurel Prunus lusitanica has the same property.

Hi again.

OK, thanks for the response. I'm not an entomologist but an ornithologist and amateur botanist. I don't know well the invertebrates of the Cape Verdes...

Best regards rom the Canaries.

Dear Assaf Nir

This effect is also observed in other insects.

I can assume that this is related:

1. When the insect is frightened: by chemical irritants or in case of danger to life.

2. It is possible that an individual examines a new stop using antennas.

Regards, Sergey

There is an article, but it is in Russian

https://www.biosoil.ru/files/00018946.pdf

Thanks, regards

Hi Dimitri!

thanks for answering.

I hoped some work had escaped me, but you confirm me the poor situation I knew!

Cheers

Franco

@luisvivas It should be Badezorus signaticornis. Best regards, Barış Çerçi

Many thanks!

Well. If you do not find such drawing in literature, it is probably because paramere shape in Nysius are complex and relatively similar between species. As pointed out by Schmitz & Péricart (1993: 176) "...la forme des paramères des mâles varie assez peu et leur apparence est trop affectée par l'angle d'observation pour que ce caractère ait une utilité pratique" (i.e. the shape of the parameres varies rather little and their appearance is affected too much by the angle of observation to be an useful character. (in "Contribution à une mise en ordre de la nomenclature du genre Nysius DALLAS (sensu lato) pour la région paléarctique (Hemiptera, Lygaeidae)". Nouvelle Revue d'Entomologie (N.S.), 10 (2): 173-186. (Cf. also Péricart, Lygaeidae, p. 210, third paragraph).

For a comparison of both species, check the same paper, Schmitz & Péricart (1993), p. 179 (and figs 5-6, p. 178). For Schmitz & Péricart, shape of pygophoral opening is the best character to separate these assumed sibling species.

Frédéric

See

Herbert et al.  Field Guide to Stink Bugs of Agricultural Importance in the United States and

Paiero et al. 2013- Stink bugs of Ontario (Can Journ Arthropod Identif),

both free on the Internet.

Dear Paride,

I was in 1998 in Marokko but did not find Graphosoma. Did you already contact Christian Schmidt in Dresden (christian.schmidt@senckenberg.de). He is the curator for the large collection of Reinhard Remane (Heteroptera and Auchenorrhyncha), who was many times in North Africa.

Best regards

Wolfgang

Dear Manuela,

There is also a paper for a shift in the host spectrum of hosts of th einvasive insect in Europe, Corythuca ciliata. There is an inscect normally feeding on plane trees by sucking the leaves and/or the fresh bark. Workers have found it drinking the blood of many people (by DNA analysis of the blood found by crushing many insects). I quote the passage from th etext of Tallamy et al. [Journal of Chemical Ecology (1999) 25:1987-1997] [.. .Mafra-Neto and Jolivet (1994) report seven species of lace

bugs (Tingidae) and plant bugs (Miridae), and one luperine chrysomelid beetle,

Diabrotica angulicollis, eating the cantharidin-rich hemolymph oozing from the

joints of disturbed Epicauta aterrima, a large meloid beetle from Brazil...].

Another recent paper:

JAMA Dermatol. 2015;151(8):909-910. doi:10.1001/jamadermatol.2015.0577

Dermatosis Caused by Blood-Sucking Corythucha Ciliata

Arezki Izri, MD, PhD1,2,3; Valérie Andriantsoanirina, PhD1,2; Olivier Chosidow, MD, PhD4,5; Rémy Durand, PharmD, PhD

Hello Ioan:

There are two standard sampling leaf litter methodologies used in comparing species diversity and density of soil arthropods. You can use Winkler  bags. Winkler samples are an efficient method of sampling leaf litter arthropods. The method involves sifting bulk samples of leaf litter and rotten wood by agitating them vigorously in a bag above a coarse mesh screen. Litter arthropods are concentrated in the finer "siftate" that passes through the screen. Arthropods are then extracted from the siftate by a passive extraction method, in which the siftate is placed in thin mesh sacks and then suspended and enclosed within an outer cloth "Winkler bag." The Winkler bag tapers to a cup of ethanol. After loading the sample the Winkler bag is closed at the top and suspended in a sheltered location. Arthopods fall from the litter and accumulate in the ethanol, and the sample is taken off after 3 days.  You can collect along a 100 m transect containing 25 quadrats (25 x 25 cm)  at 5 m spacing in a parcel.

The second and most efficient method to collect soil arthropods are the Berlese funnels. Berlese funnels are used for extracting small arthropods (bugs, soil mites, collembola, coleoptera, ants etc.) from soil and litter samples. They work on the principle that insects and other arthropods that normally live in soil and litter will respond negatively to light. Therefore, a light source is used to force the arthropods to move downward, where they will fall into a funnel and then into a container of ethanol.

Soil and litter samples are first collected in a natural habitat, usually in a forested area. The samples may be sifted first so as to maximize the amount collected. You can collect  leaf litter along a 100 m linear transect in 25 quadrats (25 x 25 cm) at 5 m spacing. Keep the leaf litter  samples separated inside plastic bags for each quadrat and locality. Then in the lab put the samples inside the Berlese funnels during 3 days with a  25 watt light bulb  to force down the arthropods into ethanol containers.

Good luck

Luis Miguel

Thanks Xikun.

Vincent, thanks for the link to french forum. It is very interesting discussion and shows how complicated is this problem. But I believe it could be solved :)

Best regards. 

I strongly believe these are trichobothria. They are basically mechanosensory hairs, like the other contributors mentioned, but with a special function - they respond to air movements (mostly quite finely tuned to certain frequencies) and are thus hearing organs. For Pentatomoidea (where kudzu bug, as all Plataspididae, belongs to), the number and position of the abdominal trichoibothria is an important systematic character.

Best,

Viktor

No there are no studies on it!

Dear Pete,

attached you`ll find the first paper.

Best wishes,

Ralf

There is literature available where different stochastic spatial models of spread are compared that base on different hypothesised dispersal models (e.g. stratified dispersal model vs. diffusion model). The stratified model has the idea that wind and human transportation influences dispersal and invasion and can predict the field situation quite well.

Papers would be e.g.

Gilbert, M., Fielding, N., Evans, H.F. & Grégoire, J.-C. (2003b) Spatial patterns of invading Dendroctonus micans (Coleoptera: Scolytidae) populations in the United Kingdom. Canadian Journal of Forest Research, 33, 712–725.

Gilbert, M., Grégoire, J.-C., Freise, J. F. and Heitland, W. (2004), Long-distance dispersal and human population density allow the prediction of invasive patterns in the horse chestnut leafminer Cameraria ohridella. Journal of Animal Ecology, 73: 459–468. doi: 10.1111/j.0021-8790.2004.00820.x

As far as I know food plants directly at the highways were not involved here but at least in some distance available (in a distance e.g. Cameraria can manage).

The paper:

Hulme, P. E. (2009), Trade, transport and trouble: managing invasive species pathways in an era of globalization. Journal of Applied Ecology, 46: 10–18. doi: 10.1111/j.1365-2664.2008.01600.x

gives a short discussion on human transportation and influences of such corridors and additional references.

Try those:

Ahmad, I. & Zaidi, R.H. (1989) A revision of the genus Halyomorpha Mayr (Hemiptera: Pentatomidae: Pentatominae: Carpocorini) from Indo-Pakistan subcontinent with description of a new species from Potohar region of Pakistan and their cladistic analysis. Proceedings of the Pakistan Congress of Zoology, 9, 237–253.

Lee W, Kang J, Jung C, Hoelmer K, Lee S, Lee S. 2009. Complete mitochondrial genome of brown marmorated stink bug Halyomorpha halys (Hemiptera: Pentatomidae), and phylogenetic relationships of hemipteran suborders. Mol. Cells 28:155–65

Zaidi, Raees Hussain, 1987. Aspects Of Morphology And Taxonomy Of Aeliine Stal And Carpocorini Stal (Pentatomidaepentatominae) Of Indo-Pakistan Subcontinent With Their Caladistic Analysis

we must study NEW keys for photographic identification of Heteroptera. That's the way!

Thanks!!!

I see that reference:

Glaucopterum deserticola güntheri (sic) Carapezza, 2002

Familia Miridae

LOCALIDAD TIPO: Cabo de Gata, Almería, sobre Salsola vermiculata L.

MATERIAL TIPO: holotipo y 22 paratipos en la colección del autor.

DISTRIBUCIÓN: conocida sólo de la localidad tipo.

REFERENCIA: Carapezza, A., 2002. Miridae from Andalucia: new taxa

and new Spanish records (Hemiptera Heteroptera). Il Naturalista

Siciliano, 26(3-4): 205-212.

Photo references: