Results 21 to 30 of about 16,672 (235)

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

EntomoBrasilis, 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

European 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, Fabrizia URBANI, Paola D'ALESSANDRO   +2 more
doaj   +1 more source

Taste recognition through tarsal gustatory sensilla potentially important for host selection in leaf beetles (Coleoptera: Chrysomelidae)

Scientific Reports, 2020
It is well known that Diptera and Lepidoptera can recognize tastes through their legs, which allows them to select suitable hosts. In Coleoptera, the largest insect order, however, the role of the legs in taste recognition to aid in host selection is ...
Shun Yosano, Yasuhiko Kutsuwada, Minami Akatsu, Shuhei Masuta, Rei Kakazu, Naoshi Masuoka, K. Matsuda, M. Hori   +7 more
semanticscholar   +1 more source

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

European 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, Flávia R. FERNANDES, Marielle C. SCHNEIDER   +2 more
doaj   +1 more source

Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex

European Journal of Entomology, 2021
While the progress of the spread of invasive species of insects in new geographical areas are usually intensively monitored, the decline of these species often escape attention and is poorly documented.
Zdenka MARTINKOVA, Alois HONEK, Pavel SASKA   +2 more
doaj   +1 more source

Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) - Part 2. Larvae and this year's beetles

Journal of Forest Science, 2007
The second part of the paper deals with the development and harmfulness of larvae and maturation feeding of this year's beetles of Galerucella lineola (F.) before leaving for winter habitats.
J. Urban
doaj   +1 more source

Occurrence, bionomics and harmfulness of Chrysomela populi L. (Coleoptera, Chrysomelidae)

Journal of Forest Science, 2006
In 2003 to 2005, Chrysomela populi L. gradated on yearly cut Populus nigra var. italica in street alleys in Brno and elsewhere. Imagoes occurred on trees from the end of April or from the beginning of May. In rearing, the chrysomelid consumed unwillingly
J. Urban
doaj   +1 more source

Gastrophysa viridula (Coleoptera: Chrysomelidae) and biocontrol of Rumex - a review

Plant, Soil and Environment, 2004
Gastrophysa viridula (DeGeer) (Coleoptera: Chrysomelidae) is an oligophagous herbivore which prefers consuming leaves of dock (Rumex spp.) species. Because of its feeding specialization this leaf beetle species is considered a potential biocontrol agent ...
Z. Martinková, A. Honěk
doaj   +1 more source

Taxonomical revision of the Longitarsus capensis species-group: An example of Mediterranean-southern African disjunct distributions (Coleoptera: Chrysomelidae)

European Journal of Entomology, 2008
Southern-African Longitarsus capensis species-group, which is closely related to the Mediterranean anchusae species-group is revised. L. capensis species-group includes 15 species, 8 of which are new to science: Longitarsus capensis Baly, 1877, L ...
Maurizio BIONDI, Paola D'ALESSANDRO
doaj   +1 more source

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

European 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, Fang-Sen XUE, TAN Yong-Qin, Chao-Liang LEI   +3 more
doaj   +1 more source