Results 131 to 140 of about 279,845 (241)

From Cohesion to Norms: How Animal Groups Come, Stay, and Function Together

open access: yesEthology, Volume 132, Issue 9, Page 604-622, September 2026.
The present review underscores two salient points: In the context of evolutionary transitions to pair‐ and group living, it is imperative to acknowledge the distinction between selective forces that act during the origin of these social systems and those that act during their subsequent maintenance.
Peter M. Kappeler
wiley   +1 more source

Leptocybe invasa Fisher & La Salle, 2004 and Ophelimus maskelli Haliday, 1844 - two new records of gall forming Eulophidae from Malta (Hymenoptera, Chalcidoidea) [PDF]

open access: yes, 2012
The Eulophidae (Hymenoptera, Chalcidoidea) currently accommodates more than 4,000 described species worldwide in some 300 genera (noyES, 2003). In Europe, the family is represented by about 1,100 species (GAuld & Bolton, 1988).
Mifsud, David
core  

The parasitic Hymenoptera of the Tertiary of Florissant, Colorado

open access: yes, 1910
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Fish Mass Mortality Events Trigger Energy Transfer via Invertebrate‐Mediated Pathways at the Aquatic–Terrestrial Interface

open access: yesFreshwater Biology, Volume 71, Issue 9, September 2026.
ABSTRACT Animal mass mortality events are increasing under global change, generating large and unpredictable pulses of carrion that can influence ecosystem functioning. Although scavenger dynamics at individual carcasses are relatively well understood, little is known about how terrestrial vertebrate and invertebrate assemblages exploit large carrion ...
Tatiana Pessano‐Serrat   +3 more
wiley   +1 more source

Polyembryony in Parasitic Hymenoptera : A Review.

open access: yesJournal of Cell Science, 1918
ABSTRACT Among the specially remarkable facts in the study of embryology that of polyembryony or germinogony in Parasitic Hymenoptera is not the least noteworthy. Polyembryony consists in the production from one single egg, by a process of gemmation, of a large number of separate embryos.
openaire   +2 more sources

Structural Colour in Bees (Hymenoptera: Anthophila) Is Linked to Climate and Latitude

open access: yesGlobal Ecology and Biogeography, Volume 35, Issue 9, September 2026.
ABSTRACT Aim Environmental drivers frequently predict global patterns of colour diversity, but whether such patterns depend on the underlying colour mechanisms—pigments or microscopic structures—has scarcely been considered. Structural colour may have different functional properties that result in different associations with environmental variables ...
Patricia Henríquez‐Piskulich   +6 more
wiley   +1 more source

Parasitic crustaceans in fishes from some Philippine Lakes [PDF]

open access: yes, 2001
Parasitic crustaceans are among the most harmful parasites of fishes. Certain species cause disease outbreaks and mortalities in aquaculture, facilities, and sometimes in natural systems, resulting in serious economic losses.
Lopez, Nellie C.
core   +1 more source

The socially parasitic ant genus Strongylognathus Mayr in North Africa (Insecta: Hymenoptera: Formicidae)

open access: yes, 2001
Sanetra, Matthias, Güsten, Robert (2001): The socially parasitic ant genus Strongylognathus Mayr in North Africa (Insecta: Hymenoptera: Formicidae).
Sanetra, Matthias, Güsten, Robert
core   +2 more sources

Fly me to the canopy: Diptera communities in oak forest crowns as bioindicators of stand decline

open access: yesInsect Conservation and Diversity, Volume 19, Issue 5, Page 1099-1113, September 2026.
Diptera diversity: Oak decline increases the overall Diptera diversity, particularly in saproxylic and floricolous guilds, likely due to more open canopies and greater deadwood and floral resource availability. Family responses: Dolichopodidae, Empididae, Hybotidae and Anthomyiidae thrive in declining stands, whereas Mycetophilidae and other fungus ...
Anastasia Paupe   +32 more
wiley   +1 more source

Managing sustainable agroecosystem: Study on diversity of parasitic Hymenoptera on riparian sites of oil palm and rubber plantation

open access: yes, 2019
Parasitic Hymenoptera is important natural enemies to control pest population but threatened by habitat transformation. It is important to know the sustainable management agroecosystem that may conserve beneficial insects. There is still minimum research
Rizali, A.   +3 more
core   +1 more source

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