Results 111 to 120 of about 18,441 (270)

When a parasite breaks all the rules of a colony:morphology and fate of wasps infected by a strepsipteran endoparasite [PDF]

open access: yes, 2011
The macroparasite Xenos vesparum affects both the behaviour and the physical traits of its host, the social wasp Polistes dominulus. Female wasps, if parasitized, do not perform any social tasks and desert the colony to gather at specific sites, where ...
Beani, Laura   +5 more
core   +1 more source

Über paläarktische Eumeninae (Hymenoptera, Vespidae)

open access: yes, 2023
Four species of Eumeninae in palaearctic region are reported, of which two are new species, Hemipterochilus arabicus nov.sp. and Lepochilus hungaricus nov.sp.
openaire   +1 more source

Actual list of Aculeata (hymenoptera) of Łódź City [PDF]

open access: yes, 2008
The paper presents actual list of 377 species (36% of Polish fauna) from ten families of Aculeata noted in Łódź during last 30 years. Among them there are 17 protected and 64 threatened species from the „Red List” .
Kowalczyk, Jan, Szczepko, Katarzyna
core  

Occurrence of Hymenoptera on pig carcasses in a tropical rainforest in Central Amazonia, Brazil

open access: yesSociobiology, 2019
Hymenotpera species may act as necrophagous, consuming decomposing tissues, as predators, when they feed on other immature and adult insects, and parasites of larvae and pupae of dipterans and coleopterans that colonize the carcasses.
Alexandre Somavilla   +3 more
doaj   +1 more source

Northern Distribution Records for Some Nearctic Pompilidae (Hymenoptera) [PDF]

open access: yes, 2017
Distributional records and nomenclatural changes are presented for 20 species of Nearctic Pompilidae. The records extend the species\u27 ranges northward in North America, are peripheral on the northern boundaries of the ranges, or fill in sizeable gaps ...
Kurczewski, Edmund J   +1 more
core   +3 more sources

On thermoregulation inVespula germanica(Fabr.) (Hymenoptera, Vespidae) and other Vespidae

open access: yesBolletino di zoologia, 1982
Abstract The vespid hymenopteran, Vespula germanica (Fabr.) regulates its thoracic temperature to around 33° - 38° C in environmental temperatures between 15° and 35° C. Thermal conductance of the thorax of V. germanica was found to increase from 1.6–2 mW/°C in still air to 2.7 mW/°C in air moving at a speed of 3 m/sec.
openaire   +1 more source

Preliminary Observations on Zelus Obscuridorsis (Stål) (Hemiptera: Reduviidae) as Predator of the Corn Leafhopper (Hemiptera: Cicadellidae) in Argentina [PDF]

open access: yes, 2015
The corn leafhopper Dalbulus maidis (Hemiptera: Cicadellidae), is an important corn pest in most of tropical and subtropical America. This leafhopper has a rich natural enemy complex of which parasitoids and pathogens are the most studied; knowledge on ...
Melo, María Cecilia   +2 more
core   +1 more source

New records of potter wasps (Hymenoptera: Vespidae: Eumeninae) from Arunachal Pradesh, India: five genera and ten species

open access: yesJournal of Threatened Taxa, 2010
Six genera and eleven wasp species belonging to the subfamily Eumeninae of the family Vespidae are reported from the state of Arunachal Pradesh, of which five genera and 10 species are new records for the state.
G. Srinivasan, P.G. Kumar
doaj   +1 more source

Biology and Distribution of \u3ci\u3eTachysphex Aethiops\u3c/i\u3e in Michigan (Hymenoptera: Sphecidae: Larrinae) [PDF]

open access: yes, 2017
Tachysphex aethiops is a primarily western species that also occurs in the Upper Peninsula of Michigan. Females nest in mossy, sand slopes and utilize pre-existing burrows of other insects.
O\u27Brien, Mark F
core   +2 more sources

Home - About - Disclaimer - Privacy