Results 31 to 40 of about 22,027 (226)

Spider silk felting—functional morphology of the ovipositor tip of Clistopyga sp. (Ichneumonidae) reveals a novel use of the hymenopteran ovipositor [PDF]

open access: yesBiology Letters, 2016
Apical serrations of the hymenopteran ovipositor have been widely postulated to originally constitute adaptations for cutting through hard substrates. Simplifications of the ovipositor tip have occurred in several ichneumonid wasp genera associated with spiders.
Niclas R. Fritzén   +1 more
openaire   +2 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

Two new genera of Encyrtidae (Hymenoptera, Chalcidoidea) with reduced ovipositor sheaths [PDF]

open access: yesJournal of Hymenoptera Research, 2022
Archaeocercoides puchkovi Simutnik, gen. et sp.nov., and Rovnopositor voblenkoi Simutnik, gen. et sp.nov., are described and illustrated based on female specimens from late Eocene Rovno amber.
Serguei A. Simutnik   +3 more
doaj   +3 more sources

The Siricidae (Hymenoptera: Symphyta) of Florida [PDF]

open access: yes, 2013
The six species of Siricidae (Hymenoptera: Symphyta) occurring in Florida and one species of regulatory concern introduced to North America are reviewed.
Leavengood, John M., Jr.   +1 more
core   +3 more sources

Fine Morphology of Antennal and Ovipositor Sensory Structures of the Gall Chestnut Wasp, Dryocosmus kuriphilus

open access: yesInsects, 2021
Dryocosmus kuriphilus is a gall-inducing insect, which can cause significant damage on plants of the genus Castanea Mill., 1754. Antennae and ovipositor are the main sensory organs involved in the location of suitable oviposition sites. Antennal sensilla
Milos Sevarika   +2 more
doaj   +1 more source

Contribution to the knowledge of male and female eremochaetid flies in the late Cretaceous amber of Burma (Diptera, Brachycera, Eremochaetidae) [PDF]

open access: yesDeutsche Entomologische Zeitschrift, 2019
A new and a previously known species of the genus Zhenia Q. Zhang, 2016 (Eremochaetidae) are illustrated and described based on two males and a female in amber: Zhenia burmensis sp. nov. and Z. xiai Q. Zhang, 2016. The male Z.
Qingqing Zhang, Junfeng Zhang
doaj   +3 more sources

A new species of the genus Aiolopus Fieber (Oedipodinae: Acrididae) from Libya [PDF]

open access: yes, 2008
A new species, Aiolopus obariensis sp. n., is described and illustrated from Fezzan Province, Libya. Besides other differentiating characters, the new species is characterized by having a conspicuously short and club-shaped left antenna.
Usmani, Mohammad Kamil
core   +2 more sources

Design of a wasp-inspired biopsy needle capable of self-propulsion and friction-based tissue transport

open access: yesFrontiers in Bioengineering and Biotechnology
Percutaneous pancreatic core biopsy is conclusive but challenging due to large-diameter needles, while smaller-diameter needles used in aspiration methods suffer from buckling and clogging.
Jette Bloemberg   +4 more
doaj   +1 more source

Geographic variation in body and ovipositor sizes in the leaf beetle Plateumaris constricticollis (Coleoptera: Chrysomelidae) and its association with climatic conditions and host plants

open access: yesEuropean Journal of Entomology, 2007
Plateumaris constricticollis is a donaciine leaf beetle endemic to Japan, which lives in wetlands and uses Cyperaceae and Poaceae as larval hosts.
Teiji SOTA   +2 more
doaj   +1 more source

A Maple Wood Wasp, \u3ci\u3eXiphydria Maculata,\u3c/i\u3e and its Insect Enemies (Hymenoptera: Xiphydriiade) [PDF]

open access: yes, 2017
A xiphydriid wood wasp, Xiphydria mandata, is very common in branches ofAeer spp. in Indiana. and is frequently the proximate cause of branches falling from shade trees. X.
Deyrup, Mark A
core   +2 more sources

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