Diaeretiella rapae (MacIntosh) (Hymenoptera: Braconidae) is frequently reported to be an important biological suppressant, but in rapidly maturing crops such. While the aphid Lipaphis pseudobrassicae (Davis) (Hemip.: Aphididae: Macrosiphini) is considered one of the preferred hosts of Diaeretiella rapae ( McIntosh). PDF | Different life-table statistics of the aphid parasitoid, Diaeretiella rapae ( McIntosh) (Hymenoptera: Braconidae) were estimated on its host, the mustard aphid.

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The life cycle parameters of parasitoid varied with the age of host insect. This Ichneumonoidea -related article is a stub.

Diaeretiella rapae

Email the author Login required. Volume 21, Issue 2, December, Host quality of different aphid species for rearing Diaeretiella rapae McIntosh Hymenoptera: Volume 31, Issue 1, March Twitter Facebook Linkedin Youtube. Braconidae adjusts reproductive strategy when competing for hosts.


Volume 18, Issue 1, Email alerts New issue alert. Food specificity in the Aphidiidae Hymenoptera. Other host aphids include Aphis craccivoraAphis fabaeAphis gossypiiAphis nasturtiiAphis pomiAphis rumicisBrachycolus asparagiBrachycaudus helichrysiBrachycaudus rumexicolensCapitophonisDactynotus sp.

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By using this site, you agree to the Terms of Use and Privacy Policy. Volume 31, Issue 3, September User Username Password Remember me. The adult female parasitoid was bigger than male. Receive exclusive offers and updates from Oxford Academic. Insecta, HolometabolaDiaeretiellxApocritaChalcidoidea. This study investigated the parasitism and sex allocation strategies of the parasitic wasp Diaeretiella rapae McIntosh at a range of host Brevicoryne brassicae L.

Home page – Diaeretiella rapae

The larva has four instars and feeds on the internal tissues of the aphid, eventually killing it. The head and thorax are black, abdomen and legs yellowish brown.

Notaular lines present on anterior, perpendicular part of mesoscutum. When the aphid host died, its body changed to hardened exoskeleton called mummy. Diaeretiella rapae is a species of cosmopolitan parasitoid wasp. When the host dies it becomes a mummy consisting of the hardened exoskeleton of the aphid and turns golden yellow to golden brown and shiny.


The life cycle from egg to adult takes about days. Volume 32, Issue 2, June Volume 27, Issue 3, September Diaeretiella rapae larva exposed in its aphid host. Volume 27, Issue 2, Dizeretiella The wasp pupates within the aphid host and emerges from the mummy as an adult. Volume 27, Issue 1, March If you originally registered with a username please use that to sign in.

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