Results 41 to 50 of about 22,461 (272)

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

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

Comparative Study of the Morphology of the Ovipositor of Platygaster diplosisae (Hymenoptera: Platygasteridae) and Aprostocetus procerae (Hymenoptera: Eulophidae) Two Parasitoids Associated with the African Rice Gall Midge, Orseolia oryzivora (Diptera: Cecidomyiidae)

open access: yesPsyche: A Journal of Entomology, 2009
We studied the morphology of the ovipositor of Platygaster diplosisae (Hymenoptera: Platygasteridae) and Aprostocetus procerae (= Tetrastichus pachydiplosisae) (Hymenoptera: Eulophidae), two parasitoids associated with the African rice gall midge (AFRGM),
Souleymane Nacro, Jean-Pierre Nénon
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

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

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

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

Structure and function of the musculoskeletal ovipositor system of an ichneumonid wasp

open access: yesBMC Zoology, 2018
Background Modifications of the ovipositor appear to have played a prominent role in defining the host range of parasitoid hymenopterans, highlighting an important contributing factor in shaping their oviposition strategies, life histories and ...
Benjamin Eggs   +3 more
doaj   +1 more source

Additions to Arapona and Platypona (Hemiptera: Cicadellidae: Gyponini): one new species from Brazil and first descriptions of the female genitalia

open access: yesZoologia (Curitiba)
Arapona DeLong, 1979 and Platypona DeLong, 1982 are small Neotropical genera with four and three species, respectively. Both genera are firstly recorded from Brazil and their female genitalia are described in detail for the first time providing ...
Alexandre Cruz Domahovski   +1 more
doaj   +1 more source

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