Results 11 to 20 of about 25,367 (262)

Occurrence and feeding preference of Diabrotica speciosa Germar and Cerotoma arcuata (Olivier) for different cultivars of cowpea Vigna unguiculata (Linnaeus) Walpers

open access: yesEntomoBrasilis, 2019
. Chrysomelid pests are not only known as leaf-feeding in beans but as vectors of viruses too. Chemical control is most commonly used but has high economic and environmental costs.
Danival José de Souza, Julner Pachoute
doaj   +1 more source

Phyllotreta striolata (Coleoptera: Chrysomelidae): Arginine kinase cloning and RNAi-based pest control

open access: yesEuropean Journal of Entomology, 2008
Insect pests cause billions of dollars in crop losses and there is the ever-present threat of insecticide resistance, pesticide pollution of food and environmental damage. New ways of controlling insect pests are urgently needed.
Yiying ZHAO   +3 more
doaj   +1 more source

A revision of the genus Xenoda Baly, 1877 (Coleoptera: Chrysomelidae: Galerucinae)

open access: yesКавказский энтомологический бюллетень, 2020
The genus Xenoda Baly, 1877 is revised. One new subgenus and 42 new species are described as new to science: Trichoxenoda subgen. n.; Xenoda fulvicornis sp. n., X. geiseri sp. n., X. klimenkoi sp. n., X. minutissima sp. n. from the subgenus Xenoda s. str.
P.V. Romantsov
doaj   +1 more source

The role of temperature and photoperiod in diapause induction in the brassica leaf beetle, Phaedon brassicae (Coleoptera: Chrysomelidae)

open access: yesEuropean Journal of Entomology, 2007
The brassica leaf beetle, Phaedon brassicae Baly (Coleoptera: Chrysomelidae), one of the pests infesting cruciferous vegetables in China and Japan, is a multivoltine species that oversummers and overwinters as an adult.
Xiao-Ping WANG   +3 more
doaj   +1 more source

Genetic implications of a biological invasion: Chromosomal and DNA barcode monomorphism in Old World populations of Colorado potato beetle Leptinotarsa decemlineata (Coleoptera: Chrysomelidae)

open access: yesEuropean Journal of Entomology, 2021
Once introduced into new area, invasive species can be expected to have low genetic diversity due to the founder effect. Here we tested this prediction using cytogenetic and molecular analysis of Armenian and Belarusian populations of Colorado potato ...
Gayane KARAGYAN   +6 more
doaj   +1 more source

Epitrix papa sp. n. (Coleoptera: Chrysomelidae: Galerucinae: Alticini), previously misidentified as Epitrix similaris, is a threat to potato production in Europe

open access: yesEuropean Journal of Entomology, 2015
A nonnative pest of potato recently established and causing significant economic damage in Portugal and Spain was initially identified as Epitrix similaris Gentner and included on lists of quarantine pests.
Marina J. ORLOVA-BIENKOWSKAJA
doaj   +1 more source

First report of Algarobius prosopis (Coleoptera: Chrysomelidae) on Prosopis juliflora in Iran [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2020
Prosopis juliflora is a shrub belonging to the family Fabaceae. It is native to Mexico, South America and the Caribbean. It has become established as an invasive weed in Africa, Asia, Australia and elsewhere. P.
M. Saeidi
doaj   +1 more source

Relationships between the geographic distribution of phytophagous insects and different types of vegetation: A case study of the flea beetle genus Chaetocnema (Coleoptera: Chrysomelidae) in the Afrotropical region

open access: yesEuropean Journal of Entomology, 2015
This study analyses the geographic distributions of 95 endemic and sub-endemic species of Chaetocnema (Coleoptera: Chrysomelidae) found in Sub-Saharan Africa and Madagascar, in order to compare and correlate their pattern of the geographic range ...
Maurizio BIONDI   +2 more
doaj   +1 more source

Comparative cytogenetic analysis in 13 tortoise beetles (Coleoptera: Chrysomelidae: Cassidinae) from Brazil

open access: yesEuropean Journal of Entomology, 2016
In the present work, we have characterized the chromosomes of 13 Cassidinae beetles, belonging to four tribes, the broad aim being to increase the cytogenetic data and establish the mechanisms involved in chromosome evolution of this subfamily, which ...
Amália T. LOPES   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy