Results 21 to 30 of about 7,494 (198)

Sexual Selection in a Brentid Weevil [PDF]

open access: yesEvolution, 1982
In most insects, differences between the sexes involve not only primary characters necessary for gamete production, copulation, and oviposition, but also sexual structures and behaviors involved in the acquisition of mates. The most striking of these secondary characters, such as exaggerated size, weaponry, or coloration, tend to occur in males, and ...
openaire   +2 more sources

Feasibility study on estimation of rice weevil quantity in rice stock using near-infrared spectroscopy technique [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2014
Thai rice is favored by large numbers of consumers of all continents because of its excellent taste, fragrant aroma and fine texture. Among all Thai rice varieties, Thai Hommali rice is the most preferred.
Puttinun Jarruwat, Prasan Choomjaihan
doaj   +1 more source

Sweetpotato Weevil, Cylas formicarius (Fabricius) (Insecta: Coleoptera: Brentidae)

open access: yesEDIS, 2014
This document provides an in-depth profile of the sweetpotato weevil, Cylas formicarius, highlighting its significance as a major pest of sweet potatoes globally.
J.L. Capinera
doaj   +3 more sources

Two new species of the genus Stenommatus Wollaston, 1873 (Coleoptera: Curculionidae: Dryophthorinae; Dryophthorini) from Peru

open access: yesRevista Peruana de Biología, 2019
The weevil tribe Dryophthorini is reported in Peru for the first time. Two species from Satipo, Junin, Stenommatus chabooae Legalov n. sp. and Stenommatus sokolovi Legalov n. sp., are herein described. Stenommatus chabooae Legalov n. sp. is characterized
Andrei A. Legalov
doaj   +1 more source

New data on weevils of the subgenus Pliadonus Reitter, 1912 (Coleoptera: Curculionidae: Otiorhynchus) with the descriptions of three new species from the Caucasus and Turkey [PDF]

open access: yesКавказский энтомологический бюллетень
Tree new species of the genus Otiorhynchus Germar, 1822 from the subgenus Pliadonus Reitter, 1912 are described from the Caucasus and Turkey: O. karasevi sp. n. from Abkhazia, O. fominykhi sp. n. from Georgia (Mingrelia) and O. neslihanae sp. n.
G.E. Davidian
doaj   +1 more source

Sitona medvedevi sp. n., a new species of the weevil genus Sitona Germar, 1817 (Coleoptera: Curculionidae: Entiminae) from Kopet Dagh and Talysh [PDF]

open access: yesКавказский энтомологический бюллетень, 2009
A new species of the weevil genus Sitona Germar, 1817 is described from Kopet Dagh (Syunt Mountain) and Talysh (Lerik District in Azerbaijan, Transcaucasia). Sitona medvedevi sp. n. is similar to S.
B.A. Korotyaev
doaj   +1 more source

Systematics and Biogeography of the New World Genus Plumolepilius (Coleoptera: Curculionidae)

open access: yesDiversity, 2021
Plumolepilius Barrios-Izás & Anderson, 2016 is a leaf litter weevil genus that inhabits montane broadleaf forests from southern Mexico to northern Panama.
Manuel A. Barrios-Izás, Juan J. Morrone
doaj   +1 more source

Mitochondrial genome of Sitona callosus (Coleoptera: Curculionidae) and phylogenetic analysis within Entiminae

open access: yesMitochondrial DNA. Part B. Resources, 2017
In this study, we sequenced and annotated the nearly complete mitochondrial genome (mitogenome) of Sitona callosus (Coleoptera: Curculionidae). This mitogenome was 14,333 bp long and encoded 13 protein-coding genes, 19 transfer RNA genes (tRNAs), and two
Li Zhang   +5 more
doaj   +1 more source

Genetic diversity of the xerothermic weevils Polydrusus inustus and Centricnemus leucogrammus (Coleoptera: Curculionidae) in central Europe

open access: yesEuropean Journal of Entomology, 2009
Phylogeography, genetic diversity, and demography of central European populations of two flightless xerothermic weevils, Polydrusus inustus and Centricnemus leucogrammus, were studied based on the polymorphism of three mtDNA genes (COII, CytB, and ND1 ...
Lukasz KAJTOCH   +2 more
doaj   +1 more source

Timing Is Everything. Temporal and Spatial Niche Segregation in Curculio spp. (Coleoptera: Curculionidae) Associated with Oak Trees

open access: yesInsects, 2021
Oak seed predatory weevils occurring in Poland are prone to increased interspecific competition due to the limited number of Quercus species, compared to southern Europe, in which they can develop.
Michał Reut   +2 more
doaj   +1 more source

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