Results 21 to 30 of about 279,845 (241)

Three new species of Eupetersia Blüthgen, 1928 (Hymenoptera, Halictidae) from the Oriental Region [PDF]

open access: yes, 2012
Three new species, Eupetersia (Nesoeupetersia) singaporensis sp. nov., collected in a mangrove swamp in Singapore, and Eupetersia (Nesoeupetersia) sabahensis sp.
Alain Pauly, Pauly, Alain
core   +1 more source

FThe importance of entomophages in protecting pests of vegetable, potato crops through – “trap crops” [PDF]

open access: yesBIO Web of Conferences
This article presents studies on the species composition and importance of entomophages in the protection of vegetables and potatoes from pests through the use of bait crops.
Khudoykulov Azamjon   +4 more
doaj   +1 more source

Review of Neurepyris Kieffer, 1905 (Hymenoptera, Bethylidae), a new synonym of Pristocera Klug, 1808 [PDF]

open access: yes, 2011
The genus Neurepyris Kieffer, 1905 is revised. The adult male holotypes N. rufiventer Kieffer, 1913 from Eritrea and N. tagala (Ashmead, 1905) from the Philippines are redescribed and illustrated.
Alencar, Isabel D. C. C.   +5 more
core   +1 more source

Intrinsic competition and its effects on the survival and development of three species of endoparasitoid wasps [PDF]

open access: yes, 2009
In natural systems, pre-adult stages of some insect herbivores are known to be attacked by several species of parasitoids. Under certain conditions, hosts may be simultaneously parasitized by more than one parasitoid species (= multiparasitism), even ...
Gols, R., Harvey, J.A., Strand, M.R.
core   +1 more source

First record of the genus Anomalon Panzer, 1804 (Hymenoptera: Ichneumonidae: Anomaloninae) in Syria [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2021
We report the discovery of the parasitic wasp, Anomalon cruentatm (Hymenoptera: Ichneumonidae, Anomaloninae) for Syria. It is the first record of A. cruentatm in Syria. It was collected in a greenhouse in Lattakia province.
Rawa Muhsen Youssef   +1 more
doaj  

Arthropods obtained from the Amazonian tree species "Cupiuba" (Goupia glabra) by repeated canopy fogging with natural Pyrethrum [PDF]

open access: yesActa Amazonica, 1998
Two canopies of a widely distributed Amazonian tree species, Goupia glabra Aubl. (Celastraceae, height 38 and 45m) were fogged several times with 1% natural pyrethrum during the rainy and dry seasons (1991-1994) in the Adolpho Ducke Forest Reserve near ...
Joachim ADIS   +4 more
doaj   +1 more source

Quantifying the unquantifiable: why Hymenoptera, not Coleoptera, is the most speciose animal order

open access: yesBMC Ecology, 2018
Background We challenge the oft-repeated claim that the beetles (Coleoptera) are the most species-rich order of animals. Instead, we assert that another order of insects, the Hymenoptera, is more speciose, due in large part to the massively diverse but ...
Andrew A. Forbes   +4 more
doaj   +1 more source

Accelerated evolution of mitochondrial but not nuclear genomes of Hymenoptera: new evidence from crabronid wasps. [PDF]

open access: yesPLoS ONE, 2012
Mitochondrial genes in animals are especially useful as molecular markers for the reconstruction of phylogenies among closely related taxa, due to the generally high substitution rates.
Martin Kaltenpoth   +5 more
doaj   +1 more source

A case of frozen behaviour: A flat wasp female with a beetle larva in its grasp in 100-million-year-old amber [PDF]

open access: yesFossil Record, 2022
Parasitism, a malignant form of symbiosis, wherein one partner, the parasite, derives benefits to the detriment of another, the host, is a widespread phenomenon.
Christine Kiesmüller   +3 more
doaj   +3 more sources

First records of Charipinae (Hymenoptera, Cynipoidea, Figitidae) aphid hyperparasitoids from Malta [PDF]

open access: yes, 2015
Charipinae material has been collected from different localities in Malta. Three species have been identified: Alloxysta citripes, Alloxysta pilipennis and Phaenoglyphis villosa in association with two aphids and one parasitoid species.
Mifsud, David   +4 more
core   +1 more source

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