Results 91 to 100 of about 25,367 (262)

Susceptibility of Nebraska Western Corn Rootworm (Coleoptera: Chrysomelidae) Populations to Bt Corn Events

open access: yesJournal of Economic Entomology, 2015
Transgenic plants have been widely adopted by growers to manage the western corn rootworm, Diabrotica virgifera virgifera LeConte, in field corn. Because of reduced efficacy in some Nebraska fields after repeated use of Cry3Bb1-expressing hybrids, single
D. S. Wangila   +5 more
semanticscholar   +1 more source

Insect immunity in the Anthropocene

open access: yesBiological Reviews, Volume 100, Issue 2, Page 698-723, April 2025.
ABSTRACT Anthropogenic activities result in global change, including climate change, landscape degradation and pollution, that can alter insect physiology and immune defences. These changes may have contributed to global insect decline and the dynamics of insect‐transmitted diseases.
Md Kawsar Khan, Jens Rolff
wiley   +1 more source

Revision of the species of Chaetocnema from Madagascar (Coleoptera: Chrysomelidae: Alticinae)

open access: yesEuropean Journal of Entomology, 2001
The species of flea beetles of the genus Chaetocnema Stephens, 1831 occurring in Madagascar are revised. Four new species (C. cachani, C. hygrophila, C. malgascia and C. orophila) are described and five species (C. bamakoensis Bechyné C. confinis Crotch,
Maurizio BIONDI
doaj   +1 more source

Biogeography and ecology of geographically distant populations of sibling Cryptocephalus leaf beetles

open access: yesThe European Zoological Journal, 2020
Different populations of two closely related species, Cryptocephalusflavipes and C. bameuli, from western (Alps, Apennines and Pyrenees) and central Europe (Poland, Ukraine and Pannonia) were analysed.
D. Kubisz   +6 more
doaj   +1 more source

Taxonomic revision of the genus Angulaphthona (Coleoptera: Chrysomelidae: Galerucinae: Alticini)

open access: yesEuropean Journal of Entomology, 2018
A revision of the genus Angulaphthona Bechyné, 1960 is provided, with a description of Angulaphthona confusa sp. n. from the Democratic Republic of Congo, and A. rossii sp. n. from Sierra Leone.
Maurizio BIONDI, Paola D'ALESSANDRO
doaj   +1 more source

Incidence, Spread and Mechanisms of Pyrethroid Resistance in European Populations of the Cabbage Stem Flea Beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae)

open access: yesPLoS ONE, 2015
Background Cabbage stem flea beetle (CSFB), Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae) is a major early season pest of oilseed rape throughout Europe.
D. H. Højland   +4 more
semanticscholar   +1 more source

Early Detection and Mitigation of Resistance to Bt Maize by Western Corn Rootworm (Coleoptera: Chrysomelidae)

open access: yesJournal of Economic Entomology, 2015
Transgenic Bt maize that produces less than a high-dose has been widely adopted and presents considerable insect resistance management (IRM) challenges.
D. Andow   +9 more
semanticscholar   +1 more source

Afroaltica subaptera, new genus and new species of flea beetles from the southern Africa (Coleoptera: Chrysomelidae: Alticinae)

open access: yesEuropean Journal of Entomology, 2007
Afroaltica subaptera, a new genus and species of flea beetles (Chrysomelidae: Alticinae) from the eastern regions of southern Africa (Eastern Transvaal and Kwazulu-Natal), is described. Afroaltica gen. n.
Maurizio BIONDI, Paola D'ALESSANDRO
doaj   +1 more source

The Aggregation Pheromone of Phyllotreta striolata (Coleoptera: Chrysomelidae) Revisited

open access: yesJournal of Chemical Ecology, 2016
Aggregations of the striped flea beetle Phyllotreta striolata on their crucifer host plants are mediated by volatiles emitted from feeding males. The male-specific sesquiterpene, (6R,7S)-himachala-9,11-diene (compound A), was shown previously to be ...
F. Beran   +9 more
semanticscholar   +1 more source

Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of Eastern Canada.

open access: yesZooKeys, 2013
Seventeen Pachybrachis species occurring in eastern Canada [Ontario (ON), Québec (QC), New Brunswick (NB), Nova Scotia (NS), and Prince Edward Island (PE)] are treated by the authors. Two new national records were discovered, both from southernmost Ontario: P. cephalicus Fall and P. luctuosus Suffrian.
Barney,Robert J.   +2 more
openaire   +7 more sources

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