Studies on the identity of the parasitoids Aphidius colemani and Aphidius transcaspicus (Hymenoptera: Braconidae)

Title:

Studies on the identity of the parasitoids Aphidius colemani and Aphidius transcaspicus (Hymenoptera: Braconidae)

Creator:

Garantonakis, Nikolaos, Perdikis, Dionyssios, Lykouressis, Dionyssios, Kourti, Anna, and GkouvitsS, Theodoros

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:a42f9a5f-966d-492d-b505-deed3169422a
uuid:a42f9a5f-966d-492d-b505-deed3169422a

Subject:

Aphidius colemani, Aphidius transcaspicus, Aphidiinae, Braconidae, aphid parasitoids, cross mating, identification, and molecular methods

Type:

article, model:article, and TEXT

Description:

The taxonomic status of the aphid parasitoid Aphidius colemani Viereck has been questioned, especially in regard to Aphidius transcaspicus Telenga (Hymenoptera: Braconidae). The genetic association between A. colemani and A. transcaspicus was studied by cross mating individuals of A. colemani and A. transcaspicus (A.c.& × A.t.% and A.c.% × A.t.&) and applying appropriate molecular methods. The cross mating resulted in offspring (female and males) that were fertile. Therefore, the cross mating assays performed in an artificial environment showed that these two populations are potentially compatible. The mean number of mummies that developed and the sex ratio of the offspring of each cross were similar. Most of the male and female offspring from each cross were assigned to A. transcaspicus. Furthermore, the genetic divergence between the ribosomal internal transcribed spacers (ITS2) of the A. colemani and A. transcaspicus studied was 16%. These results indicate that A. colemani might be a complex of species with different morphological and biological characters attacking different host aphids.

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Source:

European Journal of Entomology | 2009 Volume:106 | Number:4

Harvested from:

CDK

Metadata only:

false