Diaeretiella rapae
Encyclopedia
Diaeretiella rapae is a cosmopolitan
parasitoid
of many species of aphid
s, but especially the cabbage aphid, Brevicoryne brassicae
. It is the only species in the genus Diaeretiella. Other host aphids include Aphis craccivora, Aphis fabae
, Aphis gossypii
, Aphis nasturtii, Aphis pomi, Aphis rumicis, Brachycolus asparagi, Brachycaudus helichrysi, Brachycaudus rumexicolens, Capitophonis, Dactynotus sp., Diuraphis noxius, Hayhurstia atriplicis, Hyadaphis foeniculi, Lipaphis erysimi, Macrosiphum euphorbiae
, Myzus certus, Myzus persicae
, Protaphis sp., Rhopalosiphum fitchii, Rhopalosiphum maidis
, Rhopalosiphum padi and Schizaphis graminum.
Cosmopolitan distribution
In biogeography, a taxon is said to have a cosmopolitan distribution if its range extends across all or most of the world in appropriate habitats. For instance, the killer whale has a cosmopolitan distribution, extending over most of the world's oceans. Other examples include humans, the lichen...
parasitoid
Parasitoid
A parasitoid is an organism that spends a significant portion of its life history attached to or within a single host organism in a relationship that is in essence parasitic; unlike a true parasite, however, it ultimately sterilises or kills, and sometimes consumes, the host...
of many species of aphid
Aphid
Aphids, also known as plant lice and in Britain and the Commonwealth as greenflies, blackflies or whiteflies, are small sap sucking insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on cultivated plants in temperate regions...
s, but especially the cabbage aphid, Brevicoryne brassicae
Brevicoryne brassicae
Brevicoryne brassicae, commonly known as the cabbage aphid, cabbage aphis or turnip aphid, is a destructive aphid native to Europe that is now found in many other areas of the world...
. It is the only species in the genus Diaeretiella. Other host aphids include Aphis craccivora, Aphis fabae
Aphis fabae
Aphis fabae is a true bug in the order Hemiptera. Common names include blackfly, black bean aphid, bean aphid and beet leaf aphid. It is a widely distributed pest of agricultural crops.-Distribution:...
, Aphis gossypii
Aphis gossypii
Aphis gossypii is a tiny insect or greenfly in the superfamily Aphidoidea in the order Hemiptera. It is a true bug and sucks sap from plants. It is a widely distributed pest of a variety of agricultural crops in the families Cucurbitaceae, Rutaceae and Malvaceae...
, Aphis nasturtii, Aphis pomi, Aphis rumicis, Brachycolus asparagi, Brachycaudus helichrysi, Brachycaudus rumexicolens, Capitophonis, Dactynotus sp., Diuraphis noxius, Hayhurstia atriplicis, Hyadaphis foeniculi, Lipaphis erysimi, Macrosiphum euphorbiae
Macrosiphum euphorbiae
Macrosiphum euphorbiae, the potato aphid, is a sap-sucking pest insect in the family Aphididae. It infests potatoes and a number of other commercially important crops.-Distribution:...
, Myzus certus, Myzus persicae
Myzus persicae
Myzus persicae, known as the green peach aphid, is a small green aphid. It is the most significant aphid pest of peach trees, causing decreased growth, shriveling of the leaves and the death of various tissues...
, Protaphis sp., Rhopalosiphum fitchii, Rhopalosiphum maidis
Rhopalosiphum maidis
Rhopalosiphum maidis, common names Corn leaf aphid and Corn aphid, is an insect, and a pest of maize and other crops. It has a nearly worldwide distribution.-Hosts:* Barley* Green beans* Manila hemp* Millets* Papaya* Potato* Rice...
, Rhopalosiphum padi and Schizaphis graminum.