Results 131 to 140 of about 85,527 (318)

Identification and Functional Characterization of a Novel Insecticidal Decapeptide from the Myrmicine Ant Manica rubida

open access: yesToxins, 2019
Ant venoms contain many small, linear peptides, an untapped source of bioactive peptide toxins. The control of agricultural insect pests currently depends primarily on chemical insecticides, but their intensive use damages the environment and human ...
John Heep   +6 more
doaj   +1 more source

Primer Frenguelliidae (Insecta: Odonata) del Eoceno de Río Pichileufú, Patagonia, Argentina [PDF]

open access: yes, 2017
Se describe un nuevo género, Treintamilun gen. nov., basado en Treintamilun vuelvenlucha sp. nov. de la localidad de Río Pichileufú (Luteciano), Provincia de Río Negro, Patagonia, Argentina. El nuevo género se asigna a Frenguelliidae.
Petrulevicius, Julian Fernando
core  

New Distribution Records of Ground Beetles From the North Central United States (Coleoptera: Carabidae) [PDF]

open access: yes, 2018
We report 39 ground beetles new to five states in the upper midwestern United States. These species records include 19 new to Illinois (all but one from Lake County), 11 from Iowa, three from South Dakota, eight from Wisconsin, and two from Michigan ...
Chin-Ting Lee, Jana   +3 more
core   +2 more sources

Novel Worker‐Like Behavior Observed in Gynes of the Social Parasite Tetramorium microgyna

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
Our article reports, to our knowledge, the first observations of inquiline gynes performing worker tasks for their host colony. We dissected these gynes to establish that they were all unmated. We hypothesize that nest excavation by social parasites represents an artifact of a non‐parasitic past.
François Brassard, Christina Kwapich
wiley   +1 more source

Supplemental feeding as experimental tool to understand why birds do not lay earlier in the season

open access: yesJournal of Avian Biology, Volume 2026, Issue 1, January 2026.
The timing of avian reproduction might be affected by the costs of egg production in early spring. To study these costs, supplemental feeding experiments have been conducted where birds are provided with food prior to egg laying. We discuss the opportunities and pitfalls of such experiments.
Christiaan Both, Marcel E. Visser
wiley   +1 more source

Formicidae (Heterogyna)

open access: yes, 2014
upload by Plazi, HNS ...
openaire   +1 more source

Cuticular hydrocarbons and collective response to water stress in a desert ant

open access: yesFunctional Ecology, Volume 40, Issue 1, Page 26-35, January 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract With the accelerating pace of climate change, we urgently need to understand how physiological traits shape behavioural plasticity in response to environmental stress.
Florian Menzel   +3 more
wiley   +1 more source

Allometry of Workers of the Fire Ant, Solenopsis invicta [PDF]

open access: yes, 2003
The relationship between worker body size and the shape of their body parts was explored in the polymorphic ant, Solenopsis invicta. The data consisted of 20 measurements of body parts as well as sums of some of these measurements.
Mikheyev, Alexander S.   +2 more
core   +2 more sources

Mexican Formicidae.

open access: yes, 1896
xBio:D Automated ...
openaire   +1 more source

Productivity‐dependent effects of adapted mowing regimes on arthropod communities in roadside grasslands

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Adjusted mowing dates and, in productive grasslands, an increased mowing frequency may benefit grassland arthropod communities under current environmental conditions. Abstract Arthropod diversity is rapidly declining in semi‐natural grasslands. Among the driving factors are nitrogen deposition and climate change, which typically increase vegetation ...
Wiene Bakker   +9 more
wiley   +1 more source

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