Results 31 to 40 of about 21,927 (234)

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

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

First contribution to the knowledge of the braconid wasps (Hymenoptera, Braconidae) of Malta [PDF]

open access: yes, 2015
A total of 48 species of braconid wasps (excluding 16 Aphidiidae) are here reported as occurring in the Maltese Islands, of which 38 species are reported for the first time from this territory.
Papp, Jeno
core   +1 more source

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 Alien \u3ci\u3eHippodamia Variegata\u3c/i\u3e (Coleoptera: Coccinellidae) Quickly Establishes Itself Throughout Wisconsin [PDF]

open access: yes, 2018
(excerpt) Hippodamia variegata (Goeze) (Coleoptera: Coccinellidae) is a Palaearctic species that was first reported to be established in the Nearctic near Montreal, Quebec, in 1984 (Gordon 1987). Since then, this small beetle has been expanding its range
Williams, Andrew H, Young, Daniel K
core   +2 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

Descriptions of Three New Species of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae) [PDF]

open access: yes, 2017
Three new species of Ctenopelmatinae are described from series obtained from rearings of yellowheaded spruce sawfly larvae, Pikonema alaskensis (Rohwer)
Luhman, John C
core   +2 more sources

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

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

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