About Cotesia
Interactive Key
Cotesia and Hosts

Descriptions and diagnosis of Cotesia.

This page contains an interactive key, synonym finder, host record finder, description and diagnosis for the economically important species of Cotesia. Further down on this page are the synonym locator, host-list, and the INTKEY interactive key. Habitus images (below) link to the individual species pages. Images of the cocoon, forewing, hindleg, lateral metasoma, dorsal mesosoma and propodeum plus first three metasomal terga are found on the species pages. These diagnostic images may be compared with images from all of the other Cotesia species by clicking on the pertinent body region.

Identification Keys to the Economically Important Species of Parasitic Wasps of the Genus
Cotesia (Hymenoptera:Braconidae)

Cotesia chilonis (Matsumura)

Cotesia congregata (Say)

Cotesia cyaniridis (Riley)

Cotesia electrae (Viereck)

Cotesia flaviconchae (Riley)

Cotesia flavipes (Cameron)

Cotesia glomerata (Linnaeus)

Cotesia hesperidivorous (Viereck)

Cotesia hyphantriae (Riley)

Cotesia kariyai (Watanabe)

Cotesia kazak (Telenga)

Cotesia koebelei (Riley)

Cotesia lunata (Packard)

Cotesia marginiventris (Cresson)

Cotesia medicaginis (Muesebeck)

Cotesia melanoscela (Ratzeburg)

Cotesia melitaearum (Wilkinson)

Cotesia murtfeldtae (Ashmead)

Cotesia phobetri (Rohwer)

Cotesia praepotens (Haliday)

Cotesia rubecula (Marshall)

Cotesia sesamiae (Cameron)

Cotesia vestalis (Haliday)

Synonyms and Past Generic Placements

Click here to find the synonyms

Interactive Key

Important: Read this before you begin!

If you already have Intkey installed on your PC you may skip these instructions and proceed directly to the key link listed below. If not you will need to download the small program INTKEY before you begin. Click here to install the program.

Interactive Key Link
Click here to open the Cotesia interactive key (choose 'Open file').

Important species of Cotesia and their well-known hosts.

Cotesia species Common name of host Scientific name of host
C. autographae (Muesebeck) soybean looper Pseudoplusia includens
C. congregata (Riley) tobacco hornworm Manduca sexta
C. flaviconchae (Riley) alfalfa butterfly Colias eurytheme
C. flavipes Cameron cereal stem borer Chilo partellus
C. glomerata (Linnaeus) imported cabbageworm Pieris rapae
C. hyphantriae (Riley) fall webworm Hyphantria cunea
C. kazak  (Telenga) Old World bollworm Helicoverpa armigera
C. marginiventris (Cresson) beet armyworm Spodoptera exigua
C. melanoscela  (Ratzeburg) gypsy moth Lymantria dispar
C. orobenae (Forbes) cross-striped cabbageworm Evergestis rimosalis
C. plathypenae (Muesebeck) green cloverworm Plathypena scabra
C. plutellae  (Kurdjumov) diamondback moth Plutella xylostella
C. rubecula (Marshall) imported cabbageworm Pieris rapae
C. ruficrus (Haliday) various armyworms (Asia) Spodoptera spp.
C. xylinus (Say) variegated cutworm Peridroma saucia
C. yakutatensis (Ashmead) alfalfa semilooper Autographa californica

Click here for host search


Click here for references

This project was supported by the National Research Initiative of the USDA Cooperative State Research, Education and Extension Service.
Grant Number:2002-35316-12270.
Technical Support:
Last Updated : January, 2006