Results 31 to 40 of about 5,782 (226)

Wasps (Crabronidae, Sphecidae, Scoliidae, and Pompilidae) of Rivne Nature Reserve and their trophic relationships with angiosperms

open access: yesБіологічні студії, 2023
Background. The article presents data obtained as a result of our research on the territory of Rivne Nature Reserve during 2018–2022. We collected 118 individuals belon­ging to 43 species, 19 genera from the Crabronidae, Sphecidae, Scoliidae, and ...
Sophia Pytel-Huta
doaj   +1 more source

Sex-biased parental care and sexual size dimorphism in a provisioning arthropod [PDF]

open access: yes, 2015
The diverse selection pressures driving the evolution of sexual size dimorphism (SSD) have long been debated. While the balance between fecundity selection and sexual selection has received much attention, explanations based on sex-specific ecology have ...
A Herrel   +87 more
core   +1 more source

Vertical stratification of selected Hymenoptera in a remnant forest of the Po Plain (Italy, Lombardy) (Hymenoptera: Ampulicidae, Crabronidae, Sphecidae) [PDF]

open access: yes, 2017
Communities of the canopy of temperate forests are still relatively unexplored. Furthermore, very little is known on how vertical stratification for some insect groups is related to biological strategies.
Cerretti, Pierfilippo   +2 more
core   +4 more sources

Crabronidae and Sphecidae (Hymenoptera: Apoidea) type specimens deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil

open access: yesPapéis Avulsos de Zoologia, 2019
This catalogue lists the type specimens of Crabronidae and Sphecidae (Hymenoptera: Apoidea) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil (MZUSP). The collection includes a total of 83 type specimens (17 holotypes, 66 paratypes),
Juliana Menezes de Jesus   +5 more
doaj   +1 more source

Carnivory in Adult Female Eumenid Wasps (Hymenoptera: Vespidae: Eumeninae) and Its Effect on Egg Production [PDF]

open access: yes, 2017
Seventy captive adult female wasps of the eumenid genera Ancistrocerus and Euodynerus were observed to feed on multiple prey items. It was shown experimentally that E.
Chilcutt, Charles F, Cowan, David P
core   +3 more sources

The aculeate Hymenoptera in the collection of the Institute of Zoology of the National Academy of Science of Azerbaijan, Baku: Wasps of the family Sphecidae (Hymenoptera, Aculeata)

open access: yesАмурский зоологический журнал, 2022
The collection of the Institute of Zoology of the National Academy of Sciences of Azerbaijan (Baku) features wasps of the family Sphecidae represented by 34 species from 9 genera.
Айдын Алекпер оглу Мамедов
doaj   +1 more source

Factors Influencing Length and Volume of Cells Provisioned by Two \u3ci\u3ePassaloecus\u3c/i\u3e Species (Hymemoptera: Sphecidae) [PDF]

open access: yes, 2017
Length of cells provisioned by Passaloecus areolatus and Passaloecus cuspidatus decreased as bore diameter increased, but volume of provisioned cells increased with increasing bore diameter.
Fricke, John M
core   +2 more sources

Cicada Killer, Giant Ground Hornet, Sphecius hogardii (Latreille) and Sphecius speciosus (Drury) (Insecta: Hymenoptera: Sphecidae)

open access: yesEDIS, 2005
Cicada killers, or giant ground hornets, are among the largest wasps in Florida (up to 40 mm in length). They are conspicuous insects, since the males are territorial and will butt or grapple with intruders including other males. There are 22 species of
Lionel A. Stange
doaj   +5 more sources

Economics of Cell Partitions And Closures Produced by \u3ci\u3ePassaloecus Cuspidatus (Hymenoptera: Sphecidae) [PDF]

open access: yes, 2017
Sphecid wasps, Passaloecus cuspidatus were observed gathering fresh pine resin (Pinus strobus) which they used for creating partitions and closures in their nests.
Fricke, John M
core   +2 more sources

Addendum and corrections to a synonymic catalog of Neotropical Crabronidae and Sphecidae

open access: yesPapéis Avulsos de Zoologia, 2005
Errors and omissions found in "A synonymic catalog of the Neotropical Crabronidae and Sphecidae" (Amarante, 2002) are corrected. Substitute names for junior homonyms are proposed, Cerceris cisplatina new name for Cerceris dichroa Brethes, 1909 non Dalla ...
Sérvio Túlio Pires Amarante
doaj   +1 more source

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