Results 131 to 140 of about 571 (159)

Unbiased anchors for reliable genome-wide synteny detection. [PDF]

open access: yesAlgorithms Mol Biol
Käther KK   +3 more
europepmc   +1 more source
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Episyrphus

2004
M P Van Veen
exaly   +2 more sources

Revision of the subgenus <i>Episyrphus (Episyrphus)</i> Matsumura (Diptera: Syrphidae) in Australia

Zootaxa, 2013
Three species of Episyrphus (Episyrphus) Matsumura, 1917 are here recorded in Australia: E. (E.) viridaureus (Wiede-mann, 1824) and two new species E. (E.) oliviae Wright sp. nov. and E. (E.) glaber Wright sp. nov. A key to Australian Episyrphus (Episyrphus) species is provided, important taxonomic characters are illustrated and distributions of the ...
SUSAN G. WRIGHT, JEFFREY H. SKEVINGTON
openaire   +1 more source

Diapause and overwintering of the hoverflyEpisyrphus balteatus

Entomologia Experimentalis et Applicata, 2007
AbstractThe overwintering biology of the hoverflyEpisyrphus balteatus(DeGeer) (Diptera: Syrphidae) was studied and analysed. In Europe, females of this species can overwinter as adults in a facultative, reproductive diapause. The diapause phase is characterized by the ovaries ceasing to develop and by hypertrophy of the fat body.
Peter Hondelmann   +1 more
openaire   +1 more source

Oviposition site selection of Episyrphus balteatus

Entomologia Experimentalis et Applicata, 2000
AbstractThe oviposition behaviour of Episyrphus balteatus DeGeer (Diptera: Syrphidae) was investigated in four‐choice experiments in screen cages and in experiments with direct behavioural observations. Females laid hardly any eggs in the absence of aphids and preferred larger aphid colonies to small ones.
D. Scholz, H.‐M. Poehling
openaire   +1 more source

Side effects of pesticides on the larvae of the hoverfly Episyrphus balteatus in the laboratory

Phytoparasitica, 2010
The hoverfly Episyrphus balteatus (Degeer) is one of the most abundant predators of the cabbage aphid (Brevicoryne brassicae (L.)) in brussels sprouts in Belgium. In the current laboratory study, the toxicity of several insecticides applied at maximum recommended field rates was investigated on the larvae of E. balteatus.
Joachim Moens   +2 more
openaire   +1 more source

Episyrphus balteatus as a predator of the aphid Sitobion avenae on winter wheat

Entomologia Experimentalis et Applicata, 1986
AbstractRates of development of Episyrphus balteatus (Diptera: Syrphidae) indicate that three generations are possible during the season. Only one develops in the wheat crop. Feeding activity is highest during the night. Functional response curves for newly hatched larvae, 1 and 5 day‐old larvae were determined.
Ankersmit, G.W.   +5 more
openaire   +2 more sources

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