Results 121 to 130 of about 6,560 (134)

Wolbachia infection in the tribe Naupactini (Coleoptera, Curculionidae): association between thelytokous parthenogenesis and infection status

open access: yesInsect Molecular Biology, 2010
Abstract Several parthenogenetic species of broad‐nosed weevils exist, some of them of economic importance because of their pest status. Screening of the maternally inherited Wolbachia bacterium in 29 weevils of the tribe Naupactini, using multilocus sequence typing allowed ...
M. Rodriguero   +3 more
semanticscholar   +4 more sources
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Cytological mechanisms of thelytokous parthenogenesis in insects

Genome, 1987
The eight female parthenogenetic mechanisms recognized in insects are organized under the broad categories "ploidy restoration" and "ploidy stasis." Each term replaces three imprecise and inappropriate existing names. Of the eight mechanisms, two are given names for the first time, and a table brings together all mechanisms in a new manner that shows ...
R. Y. Lamb, R. Willey
semanticscholar   +2 more sources

THELYTOKOUS PARTHENOGENESIS IN CEPHUS CINCTUS NORT.: A CRITICISM

The Canadian Entomologist, 1938
I have read with great interest C. W. Farstad's paper (1938) on “Thelyotokous parthenogenesis in Cephus cinctus Nort.,” since it parallels so closely my own problem in Diprion polytomum Hartig. But, whilst agreeing with his final conclusion that there are doubtless two forms of C. cinctus manifesting alternative modes of parthenogenetic reproduction in
Stanley G. Smith
semanticscholar   +2 more sources

Thelytokous parthenogenesis in the exotic dacetine ant Strumigenys rogeri (Hymenoptera: Formicidae) in Taiwan

Entomological Science, 2018
AbstractOnly recently has it become clear that several species of eusocial hymenopterans regularly reproduce by thelytokous parthenogenesis, that is, the production of diploid female offspring by unmated females. This phenomenon suggests that parthenogenetic reproduction might be advantageous to organisms under certain environmental conditions.
Ching‐Chen Lee   +3 more
semanticscholar   +2 more sources

Thelytokous Parthenogenesis for Four Generations in the Desert Locust (Schistocerca gregaria Forsk) (Acrididæ)

Nature, 1953
PARTHENOGENESIS occurs naturally in several orders of insects, and can conveniently be classified according to the sex of the offspring which develop from the unfertilized egg: (1) arrhenotoky—males only (fertilized eggs give rise to females); (2) thelytoky—females only; (3) amphitoky—both sexes.
A. G. Hamilton
semanticscholar   +3 more sources

Taxonomic, geographic and seasonal distribution of thelytokous parthenogenesis in the Desmonomata (Acari: Oribatida)

Experimental & Applied Acarology, 1991
Based on sex-ratio analysis, thelytokous parthenogenesis is shown to be widespread in the mite taxon Desmonomata (Nothroidea sensu lato), with four of the seven families completely thelytokous and a fifth nearly so. Monthly samples from populations in central New York State, Japan, and Canada, representing 22 species in five families, indicate that sex-
S. C. Palmer, R. Norton
semanticscholar   +2 more sources

Outbreeding of isofemale lines as a candidate approach to improve the quality of thelytokous Wolbachia-infected line of the egg parasitoid, Trichogramma dendrolimi Matsumura (Hymenoptera: Trichogrammatidae.

Journal of Invertebrate Pathology
The egg parasitoids, Trichogramma spp. are important biological control agents targeting various lepidopteran pests in agriculture. However, laboratory rearing often reduces genetic diversity, and potentially decreased fitness of Trichogramma wasps ...
Hong-Yu Liang   +7 more
semanticscholar   +1 more source

Thelytokous parthenogenesis by dealate queens in the myrmicine ant Monomorium hiten distributed in Nansei Islands, western Japan, with description of the male

2021
Thelytokous reproduction by dealate queens in Monomorium hiten Terayama, 1996, collected from four islands of the Nansei Islands (Okinawa Prefecture, Japan) was confirmed in the field and laboratory. Dissection revealed that all dealate queens (N = 38) found in nine field collected colonies were uninseminated.
Fuminori Ito   +5 more
openaire   +1 more source

Thelytokous Parthenogenesis

2008
James E. O’Hara   +60 more
openaire   +1 more source

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