Results 1 to 10 of about 3,839 (167)

To the knowledge of the genus Aphthonoides Jacoby, 1885 (Coleoptera: Chrysomelidae: Galerucinae: Alticini) from Malaysia and Indonesia [PDF]

open access: yesКавказский энтомологический бюллетень, 2023
Four new species of the genus Aphthonoides Jacoby, 1885 are described: A. bukittinggiensis sp. n. (from Indonesia), A. tambunanensis sp. n., A. trusmadiensis sp. n. (from Malaysia) from the beccarii species-group, and A. pseudosabahensis sp. n.
P.V. Romantsov
doaj   +1 more source

To the knowledge of the leaf-beetle fauna (Coleoptera: Chrysomelidae) of the Russian Far East [PDF]

open access: yesКавказский энтомологический бюллетень, 2022
Cryptocephalus (Burlinius) flavolimbatus Pic, 1920 is recorded from Russia for the first time. This species has the aedeagus with the long and thin apical process and belongs to the group of yellow species with a black pattern on the elytra and the ...
P.V. Romantsov
doaj   +1 more source

On leaf-beetles of the genus Palpoxena Baly, 1861 (Coleoptera: Chrysomelidae) from Malaysia and Indonesia [PDF]

open access: yesКавказский энтомологический бюллетень, 2022
Four new species of the genus Palpoxena Baly, 1861 are described from Malaysia and Indonesia. Palpoxena achehensis sp. n. belongs to the P. bipartita (Jacoby, 1879) species group from Sumatra.
P.V. Romantsov
doaj   +1 more source

A revision of the genus Atomyria Jacobson, 1894 (Coleoptera: Chrysomelidae: Eumolpinae) [PDF]

open access: yesКавказский энтомологический бюллетень, 2020
The genus Atomyria Jacobson, 1894 is revised. In the new conception it contains only species with antennomere II longer than III, claw tarsomere shorter than preceding two combined and appendiculate claws. A new species from Iran, A.
A.G. Moseyko
doaj   +1 more source

Two new species and new records of Galerucinae (Coleoptera: Chrysomelidae) from Vietnam [PDF]

open access: yesКавказский энтомологический бюллетень, 2020
A new subgenus Paratrichobalya subgen. n. of the genus Trichobalya Weise, 1924 and two new species, Charaea bezdeki sp. n. and Trichobalya (Paratrichobalya) ventrituberculata sp. n., are described from Vietnam.
P.V. Romantsov
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

О расширении ареала инвазивного вида жука-зерновки Megabruchidius dorsalis Fahreus, 1839 (Coleoptera, Chrysomelidae, Bruchinae) в Туркестанской области (южный Казахстан)

open access: yesActa Biologica Sibirica, 2019
На юго-востоке Казахстана (город Алматы и окрестности) вид зерновки Megabruchidius dorsalis Fahreus, 1839 известен с 2016 года, и в настоящее время отмечен повсюду, где произрастают его кормовые растения.
I.I. Temreshev, A.M. Makezhanov
doaj   +1 more source

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

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

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