Results 51 to 60 of about 14,661 (176)

Isodontia Elegans Now in Michigan (Hymenoptera: Sphecidae: Sphecinae) [PDF]

open access: yes, 2018
Isodontia elegans (Smith) (Hymenoptera: Sphecidae), one of the “grass- carrying wasps,” previously known only from the western U.S., is now reported from southeastern Michigan, and appears to have spread across the eastern half of the United States in a ...
Craves, Julie A, O\u27Brien, Mark F
core   +2 more sources

Predators of the two paropsine leaf beetles Paropsisterna cloelia and Paropsis charybdis in eucalypt plantations in Marlborough, New Zealand Prädatoren der zwei Blattkäfer Paropsisterna cloelia and Paropsis charybdis in Eukalyptusplantagen in Marlborough, Neuseeland

open access: yesAgricultural and Forest Entomology, Volume 28, Issue 2, Page 137-148, May 2026.
Coccinellidae (Coleoptera), Miridae (Hemiptera), Hemerobiidae (Neuroptera), Pentatomidae (Hemiptera), Anystidae (Acari), Erythraeidae (Acari) and spiders (Araneidae, Oxyopidae and Salticidae) fed on the invasive paropsine leaf beetles in Marlborough, New Zealand.
Carolin Weser   +5 more
wiley   +1 more source

Opportunistic predation of a colony of Polybia platycephala (Richards) (Hymenoptera, Vespidae) by Labidus praedator (Smith) (Hymenoptera, Formicidae)

open access: yesSociobiology, 2016
Social wasps have developed several defense mechanisms, especially against ants. Predator attacks are the main threat to their nests. The strategy adopted by the wasps, when attacked by ants, is to abandon the nest, thus preserving the adult population ...
Tatiane Tagliatti Maciel   +2 more
doaj   +1 more source

A remarkable new species of Zethus Fabricius (Hymenoptera, Vespidae, Eumeninae) from Costa Rica [PDF]

open access: yes, 2009
Porter, new species, is described from Costa Rica. It forms a species group of its own, unique in its grotesquely enlarged male mandibles and reduced clypeus, single mid tibial spur, and in having a medio-apical bulge on the second sternite.
Porter, Charles C.
core  

Diversity of Social Wasps on Semideciduous Seasonal Forest Fragments with Different Surrounding Matrix in Brazil [PDF]

open access: yes, 2011
We surveyed social wasps (Polistinae) present in forest fragments of northwest of São Paulo state with different surroundings composed of a matrix of citrus crops and sugarcane in the expectation that the former matrix would be more diverse than the ...
Fernando Barbosa Noll   +1 more
core   +1 more source

Phylogeny of subtribe Gonolobinae (Apocynaceae‐Asclepiadoideae) based on molecular and morphological data with a revised generic classification

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The presently most densely sampled molecular phylogeny of the widespread New World subtribe Gonolobinae is presented, including about 35% of the ca. 520 species. Sampling focused on an even representation of the three main areas of total Gonolobinae distribution, South America, Central/North America, and the West Indian Islands, and the ...
Sigrid Liede‐Schumann   +4 more
wiley   +1 more source

List of Vespidae, Scoliidae and Tiphiidae (Hymenoptera) of Gölcük Natural Park in Isparta Province, Turkey

open access: yesSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2010
Vespidae, Scoliidae and Tiphidae were collected during 2008-2009 in Gölcük Natural Park, which belongs to Isparta Province. The material was collected by pitfall, yellow pan and malaise trapping methods.
George Japoshvili, İsmail Karaca
doaj  

Pollinator-attracting semiochemicals of the wasp-flower Epipactis helleborine [PDF]

open access: yes, 2008
The orchid genus Epipactis is represented by 25 species in Europe (Richards 1982). Epipactis helleborine (L.) Crantz is the most common and widely distributed species of the genus (Wiefelspütz 1970), and is a prime example for wasp-flowers, because it is
Ayasse, Manfred   +3 more
core  

Male Behavior in \u3ci\u3eEvagetes Subangulatus\u3c/i\u3e (Hymenoptera: Pompilidae) [PDF]

open access: yes, 2017
Males of Evagetes subangulatus patrolled primarily among shrubs in an area where females dug in soil. Twenty-nine individually-marked males were seen from 0 to 16 days after marking. They shared a home range space of about 400 m3.
Barrows, Edward M
core   +2 more sources

New records of woodboring beetles (Coleoptera: Buprestidae) for the eastern United States [PDF]

open access: yes, 2020
An abundance-based checklist of eastern Buprestidae (Coleoptera) was compiled from collection records from invasive insect surveys conducted during 2010–2018. Reported are 111 species in 17 genera based on 33,047 specimens examined from 10 states.
Barringer, Lawrence
core   +2 more sources

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