Results 51 to 60 of about 186,783 (141)

NOTES ON HYMENOPTERA [PDF]

open access: yesThe Canadian Entomologist, 1895
The advent of another collecting season finds me with a very large proportion of my last year's captures still undetermined, and in many instances even unexamined. A few remarks, however, in regard to my success with the Hymenoptera may induce some of our younger members to pay more attention to this order.
openaire   +2 more sources

Specific immunotherapy in Albanian patients with anaphylaxis to hymenoptera venoms [PDF]

open access: yes, 2002
Background: Severe allergic reactions during rush-specific immunotherapy (Rush-SIT) may occur in the treatment of hymenoptera sting allergy. The objective of the present study was to examine the characteristics of allergic reactions during Rush-SIT in a ...
Dinh, Q. Thai   +6 more
core  

Heterospecific Hymenoptera found inside the nests of Bombus impatiens (Hymenoptera: Apidae). [PDF]

open access: yes, 2018
The nests of social Hymenoptera are particularly attractive to species engaging in resource robbing due to their concentration of resources. Here, the identity of heterospecific intruders in Bombus impatiens nests are described, with a particular focus ...
Graham, Kelsey K
core   +2 more sources

The genome sequence of the common green furrow bee, Lasioglossum morio (Fabricius, 1793) [version 2; peer review: 2 approved]

open access: yesWellcome Open Research
We present a genome assembly from an individual male Lasioglossum morio (the common green furrow bee; Arthropoda; Insecta; Hymenoptera; Halictidae). The genome sequence is 547 megabases in span.
Joseph Monks, Steven Falk
doaj   +1 more source

Effect of the nutritional quality of primary food on the development, sex ratio, and size of a parasitoid in a quadri-trophic food web

open access: yesEuropean Journal of Entomology, 2023
This study explores the effect of nutritional composition on the fitness of consumers in a quadri-trophic food web. Specifically, we studied how enrichment of the food of fruit flies Drosophila melanogaster (Meigen, 1830) transfers to the spider ...
Ľudmila ČERNECKÁ, Stano PEKÁR
doaj   +1 more source

A catalogue of aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) from India [PDF]

open access: yes, 2011
A catalogue of aphidiine parasitoids (Hymenoptera: Braconidae: Aphidiinae) associated with various aphids species occurring in India was compiled. The present catalogue with 125 species under 22 genera has been further reinforced with not only all the ...
Akhtar, Mir Samim   +2 more
core   +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

Nest architecture of Oxaea austera (Andrenidae, Oxaeinae) and its significance for the interpretation of Uruguayan fossil bee cells [PDF]

open access: yes, 2014
Oxaea austera nests in hard, red lateritic soils with dense grass cover. Some characters of Oxaea austera nests conform to the known architecture of the oxaeine nests such as the long, vertical shaft and the radiating, horizontal tunnels connected to ...
Alcock   +19 more
core   +2 more sources

Temperature differences associated with colour do not determine where the acorn ant Temnothorax crassispinus (Hymenoptera: Formicidae) chooses to nest

open access: yesEuropean Journal of Entomology, 2021
Temperature is an important factor for invertebrates. Social insects build nests, which along with their ability to thermoregulate, provide shelter from extreme temperatures.
Sławomir MITRUS
doaj   +1 more source

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

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