نتایج جستجو برای: trichogramma species hym
تعداد نتایج: 549327 فیلتر نتایج به سال:
A survey was conducted in Iran, on xylophagous beetles, to collect and determine their associated chalcidoid parasitoids (Hym.: Chalcidoidea). Nineteen species of parasitoids are recorded. These species are from 6 families: Chalcididae, Encyrtidae, Eulophidae, Eupelmidae, Eurytomidae and Pteromalidae belong 4, 1, 1, 2, 4 and 7 species, respectively. Five species were discovered as new record fo...
Parasitoid insects face the fundamental problem of finding a suitable host in environments filled with competing stimuli. Many are deft sensors of olfactory cues emitted by other insects and the plants they live on, and use these cues to find hosts. Using olfactory cues from host-plants is effective because plants release volatile organic compounds (VOCs), in response to herbivory or ovipositio...
Females of the parasitoid wasp Trichogramma turkestanica produce the putative polydeoxypropionates (2E,4E,6S,8S,10S)-4,6,8,10-tetramethyltrideca-2,4-diene and (2E,4E,6S,8S,10S)-4,6,8,10-tetramethyltrideca-2,4-dien-1-ol or their enantiomers as sex specific volatiles. The structures were assigned on the basis of GC-MS investigations using synthetic reference compounds.
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