Results 31 to 40 of about 22,461 (272)

Morphological changes of the ovipositor in species of Cheloninae (Hymenoptera: Braconidae) in the course of adaptation to egg-larval parasitism [PDF]

open access: yesArchives of Biological Sciences, 2010
Adaptation to the parasitic way of life in braconids has led to a number of consequences in the morphology of the ovipositor of females. As a derivative of the paired appendages of the eighth and ninth abdominal segments, the ovipositor is a complex ...
Brajković M.   +4 more
doaj   +1 more source

Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects [PDF]

open access: yesJournal of Hymenoptera Research, 2021
The Braconidae are a megadiverse and ecologically highly important group of insects. The vast majority of braconid wasps are parasitoids of other insects, usually attacking the egg or larval stages of their hosts.
Michael Csader   +4 more
doaj   +3 more sources

Five new species of the genera Heerz Marsh, Lissopsius Marsh and Ondigus Braet, Barbalho and van Achterberg (Braconidae, Doryctinae) from the Chamela-Cuixmala biosphere reserve in Jalisco, Mexico [PDF]

open access: yes, 2012
Five new species belonging to the poorly known Neotropical doryctine parasitoid wasps genera Heerz Marsh (H. ecmahla sp. n. and H. macrophthalma sp. n.), Lissopsius Marsh (L. pacificus sp. n. and L. jalisciensis sp.
Ceccarelli, Fadia Sara   +3 more
core   +4 more sources

A new species of the genus Stepanovia Kostjukov, 2004 (Hymenoptera: Eulophidae) from Taman Peninsula, Russia [PDF]

open access: yesКавказский энтомологический бюллетень, 2023
A new species of the genus Stepanovia Kostjukov, 2004 (Hymenoptera: Eulophidae: Tetrastichinae), S. kostjukovi sp. n., is described from the arid steppe zone of southern coast of the Taman Peninsula (Veselovka village, Krasnodar Region).
O.V. Kosheleva
doaj   +1 more source

A review of the tribes of Deltocephalinae (Hemiptera: Auchenorrhyncha: Cicadellidae) [PDF]

open access: yes, 2013
The classification of the largest subfamily of leafhoppers, Deltocephalinae, including 38 tribes, 923 genera, and 6683 valid species, is reviewed and revised.
Dietrich, Chris H., Zahniser, James N.
core   +3 more sources

A world key to the genera of Elcanidae (Insecta, Orthoptera), with a Jurassic new genus and species of Archelcaninae from China [PDF]

open access: yesZooKeys, 2020
A new fossil genus and species is described from the Middle Jurassic of China. The type of Sinoelcana minuta gen. et sp. nov. has body and legs preserved.
Jun-Jie Gu   +5 more
doaj   +3 more sources

The Singing Insects of Michigan [PDF]

open access: yes, 2017
Excerpt: The so-called singing insects are all those that make loud, rhythmical noises. They include members of three groups of Orthoptera (Gryllidae, Tettigoniidae, and Acridoidea) and one family of Homoptera (Cicadidae).
Alexander, Richard D.   +2 more
core   +3 more sources

The Biomechanics of the Locust Ovipositor Valves: a Unique Digging Apparatus [PDF]

open access: yesJournal of The Royal Society Interface, 2021
AbstractThe female locust has a unique mechanism for digging in order to deposit its eggs deep in the ground. It utilizes two pairs of sclerotized valves to displace the granular matter, while extending its abdomen as it propagates underground. This ensures optimal conditions for the eggs to incubate, and provides them with protection from predators ...
Rakesh Das   +5 more
openaire   +3 more sources

Convergence in the ovipositor system of platygastroid wasps (Hymenoptera)

open access: yesJournal of Hymenoptera Research, 2017
It is widely accepted that there are two ovipositor system types in Platygastroidea. The Scelio-type ovipositor system features telescoping conjunctiva between metasomal tergites 6 and 7 and operates via internal changes in hydrostatic pressure alone ...
Elijah J. Talamas   +2 more
doaj   +3 more sources

Sex- and tissue-specific expression of chemosensory receptor genes in a hawkmoth

open access: yesFrontiers in Ecology and Evolution, 2022
For the nocturnal hawkmoth Manduca sexta, olfactory and gustatory cues are essential for finding partners, food, and oviposition sites. Three chemosensory receptor families, odorant receptors (ORs), ionotropic receptors (IRs), and gustatory receptors ...
Megha Treesa Tom   +4 more
doaj   +1 more source

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