Results 31 to 40 of about 29,383 (281)

Biology and Ecology of Melanoplus Borealis (Orthoptera: Acrididae) in Fairbanks, Alaska with Special Reference to Feeding Habits [PDF]

open access: yes, 2017
Overwintered Melanoplus borealis (subspecies, borealis Fieber) eggs hatched within 10-15 days in mid-June. The nymphs molted 5 times and became adults in about 45 days in nature.
Kaufmann, Tohko
core   +3 more sources

Unusual Sex Allocation in a Solitary Parasitoid Wasp, \u3ci\u3eSphaeropthalma Pensylvanica\u3c/i\u3e (Hymenoptera: Mutillidae) [PDF]

open access: yes, 2017
Sphaeropthalma pensyluanica reared from cocoons of the organ pipe mud dauber, Trypoxylon politum from Georgia over several years yielded only adult males.
Matthews, Robert W
core   +2 more sources

Social Wasps in Exotic Forest Planting and Atlantic Rainforest in the Neotropical Region

open access: yesSociobiology, 2020
Social wasps play an important role in communities, whether in natural or agricultural ecosystems, performing pollination and/or predation on other organisms, especially caterpillars, which reveals their potential for biological control.
Reinildes Silva-Filho   +3 more
doaj   +1 more source

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

Niche overlap and daily activity pattern of social wasps (Vespidae: Polistinae) in kale crops

open access: yesSociobiology, 2018
Kale (Brassica oleraceae var. acephala) is of great importance in human nutrition and local agricultural economies, but its growth is impaired by the attack of several insect pests.
Gabriel Castro Jacques   +4 more
doaj   +1 more source

Nest niche overlap among the endangered Vinaceous-breasted Parrot (Amazona vinacea) and sympatric cavity-using birds, mammals, and social insects in the subtropical Atlantic Forest, Argentina [PDF]

open access: yes, 2017
Many forest bird species require tree cavities for nesting, and share this resource with a diverse community of animals. When cavities are limited, niche overlap can result in interspecific competition, with negative consequences for threatened ...
Bonaparte, Eugenia Bianca   +1 more
core   +1 more source

New records of the association between Polybia rejecta (Fabricius, 1798) (Hymenoptera: Vespidae) and Azteca chartifex Emery, 1896 (Hymenoptera: Formicidae) for the Caatinga and Amazon forest

open access: yesEntomological Communications, 2020
Some neotropical social wasps are associated with certain vertebrates and other insects, like ants. These interactions have been reported for decades, but little is known about these associations in the caatinga biome.
Alexandre Somavilla, Itanna O. Fernandes
doaj   +1 more source

Diversity and Structure of Social Wasps Community (Hymenoptera: Vespidae, Polistinae) in Neotropical Dry Forest

open access: yesSociobiology, 2017
In the northeastern part of Brazil, located 90% within the semi-arid region of the country, we can find areas that present quite peculiar characteristics, amongst these the Caatinga.
Thiago Elisei   +3 more
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

Social Class [PDF]

open access: yes, 2014
Discussion of class structure in fifth-century Athens, historical constitution of theater audiences, and the changes in the comic representation of class antagonism from Aristophanes to ...
Abadie-Reynard   +667 more
core   +1 more source

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