Results 101 to 110 of about 1,901 (205)

Spiders in a hostile world (Arachnoidea, Araneae) [PDF]

open access: yes, 2011
Spiders are powerful predators, but the threats confronting them are numerous. A survey is presented of the many different arthropods which waylay spiders in various ways. Some food-specialists among spiders feed exclusively on spiders.
Helsdingen, Peter J. van
core   +2 more sources

Note on the relationship of an Ichneumonid to certain digger Wasps

open access: yes, 1933
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Two new Lower Cretaceous hymenopterous insects (Insecta: Hymenoptera) from Sierra del Montsec, Spain [PDF]

open access: yes, 2000
Two new hymenoterans are described from the Lower Barremian lithographic limestones of Sierra del Montsec (Lleida, Spain), Leridatoma pulcherrimapulcherima n.gen., n.sp.
Ansorge, J., Rasnitsyn, A. P.
core   +1 more source

New genus and two new species of the Lower Cretaceous Digger Wasp from Spain (Hymenoptera: Sphecidae: Angarosphecinae) [PDF]

open access: yes, 2000
One new genus and two new species, Ilerdosphex wenzae RASNITSYN n.gen. and n.sp. and Pompilopterus montsecensis RASNITSYN n.sp., are described in the digger wasp subfamily Angarosphecinae (Sphecidae) from the Lower Cretaceous (possibly Barremian ...
Rasnitsyn, A. P.
core   +1 more source

The digger wasps of North America of the genus Podalonia (Psammophila)

open access: yesProceedings of the United States National Museum, 1927
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

A faunistic study on digger wasps (Hymenoptera: Crabronidae, Sphecidae) of Iran

open access: yesNatura Somogyiensis, 2015
The present paper deals with the fauna of digger wasps of the families Crabronidae and Sphecidae from various regions of Iran. Totally 16 species of 13 genera (Crabronidae: 11 species of 9 genera and Sphecidae: 5 species of 4 genera) were collected and identified.
Samin, Najmeh, Bagriacik, Nil
openaire   +2 more sources

De Harkwesp in de kustduinen. Bedreigd door begrazing en recreatie? [PDF]

open access: yes, 2006
Data on nesting densities of Bembix rostrata, a digger wasp inhabiting dynamic coastal dunes,were used to document the detrimental effects of trampling by cattle and vacationers.
Bonte, D.
core  

The wasps, bees and ants (Insecta: Vespida=Hymenoptera) from the Insect Limestone (Late Eocene) of the Isle of Wight, UK [PDF]

open access: yes, 2014
The types and undescribed material of the hymenopteran fossils of the Insect Bed of the Bembridge Marls from the Isle of Wight (UK) are critically revised and studied. A total of 1460 fossils are recorded and attributed to 20 families: Gasteruptiidae s.l.
Antropov, AV   +8 more
core   +1 more source

Digger Wasps as Colonizers of New Habitat (Hymenoptera: Aculeata)

open access: yes, 1974
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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