Results 51 to 60 of about 7,961 (278)

Multicoloniality in the highly polygynous ant Crematogaster pygmaea (Formicidae: Myrmicinae)

open access: yesEuropean Journal of Entomology, 2012
In social insects, the high variability in the number of queens per colony raises fundamental questions about the evolution of altruism. It is hypothesized, for instance, that nestmate recognition should be less efficient in polygynous than in monogynous
Rachid HAMIDI   +5 more
doaj   +1 more source

Co‐phylogeny and biogeography of the myrmecophilous beetle Paussus favieri (Carabidae, Paussinae) and its host ant Pheidole pallidula (Hymenoptera, Myrmicinae)

open access: hybridInsect Science, EarlyView.
Strict patterns of co‐divergence have rarely been documented other than among organisms and their symbionts. In this paper, using a molecular approach, we inferr the population‐level phylogenies of a Mediterranean ant species Pheidole pallidula and its nest parasite, the obligate myrmecophilous beetle Paussus favieri. We then investigate the role of co‐
Davide Bergamaschi   +2 more
openalex   +2 more sources

Ant-aphid interactions in multispecies ant communities: Some ecological and ethological aspects

open access: yesEuropean Journal of Entomology, 2005
Investigations of the interactions between aphids and ants in multispecies ant communities and an experimental investigation of some ethological aspects of ant-aphid interactions were carried out in mixed forests at Novosibirsk Academic Centre, from 1998-
Tatiana A. NOVGORODOVA
doaj   +1 more source

The genus Pheidole (Hymenoptera: Formicidae: Myrmicinae) in Puebla, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2022
A list of 35 species of the genus Pheidole distributed in the state of Puebla, Mexico is provided, based on literature reports and specimens from regional collections, and complemented with diagnoses, distributional, biological, and taxonomic comments ...
C. M. VÁZQUEZ-FRANCO, J. Morrone
semanticscholar   +1 more source

Embryogenesis in Myrmicine Ants Combines Features of Short Germ-Band Development With a Progressive Mode of Segmentation. [PDF]

open access: yesJ Exp Zool B Mol Dev Evol
Different insect species exhibit remarkable diversity in the developmental trajectories from fertilized eggs to hatching larvae. For three myrmicine ant species, we observe a novel combination of a developmental features: small embryonic primordia, a mode of embryogenesis termed short/intermediate germ‐band development, and progressive establishment of
Fang CC   +5 more
europepmc   +2 more sources

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

The complete mitochondrial genome of Aphaenogaster famelica (Smith, 1874) (Hymenoptera: Formicidae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Aphaenogaster famelica (Smith, 1874) is a slender ant found in Korea. We have completed the mitochondrial genome of A. famelica of which length is 19,464 bp, the third longest ant mitogenome so far.
Jonghyun Park, Hong Xi, Jongsun Park
doaj   +1 more source

New extinct ant genus (Hymenoptera, Formicidae, Myrmicinae) from late Eocene Rovno amber

open access: yesJournal of Hymenoptera Research, 2021
A new fossil myrmicine ant genus and species Lelejus venustusgen. et sp. nov., are described from late Eocene Rovno amber (Priabonian, 33.9–37.8 Ma). This genus differs from all extant and extinct Myrmicinae genera known from the late Eocene European ...
A. Radchenko, M. Proshchalykin
semanticscholar   +1 more source

Taxonomic Studies on the Genus Vollenhovia Mayr, 1865 (Hymenoptera: Formicidae): Five New Species from India

open access: yesSociobiology, 2023
Five new species Vollenhovia pfeifferi sp. nov., V. mawrapensis sp. nov. , V. karimalaensis sp. nov., V. taylori sp. nov. and V. terrayamai sp. nov. are described from India. An identification key supplemented with digital images of the known species of
TARUN DHADWAL TARUN   +2 more
doaj   +1 more source

NEW ADDITIONS TO ANT GENUS CAREBARA WESTWOOD (HYMENOPTERA: FORMICIDAE: MYRMICINAE) FROM INDIA [PDF]

open access: yes, 2014
Twenty species of ant genus Carebara Westwood are recognized from India including two species described as new and one representing new record to India. The 20 Indian species are: C . aborensis (Wheeler, 1913), C. asina (Forel, 1902), C.
Akbar, Shahid Ali, Bharti, Himender
core   +1 more source

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