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D. minoeus, male
  D. minoeus, female
     
   
 
 
     
     

Distribution

     

Biology

     

Comments

     
       
           

Classification

 

Subfamily

Tribe

Eulophinae

Cirrospilini

           
 
 
 

Diagnosis

 


   
 
Fore wing with submarginal vein (SMV) with 3 or more setae dorsally. Postmarginal vein (PMV) present: at most 1.25 times longer than stigmal vein (STV), often equal or shorter.
Scape usually slender, sometimes swollen and not exceeding apex of vertex. Funicle 2-segmented and club 3-segmented both in male and female.
Fronto-facial suture (ffs) adjacent anterior ocellus and one transverse groove (gr) between eye margin and scrobal cavity placed about halfway between ocellus and torulus.
Malar sulcus present and straight.
Propleura separated posteriorly and not covering prosternum. Notauli either incomplete, or complete and curving to meet axilla. Scutellum with 2 pair of setae and with 1 pair of longitudinal grooves. Propodeum with or without median carina and always without plicae. Petiole not distinct.
Coloration entirely or prevalently metallic.

 
         
     
 
 

Distribution


 

Diglyphus is a moderate sized genus (less than 50 described species) recorded in Afrotropical, Nearctic, Neotropical, Oriental and Palearctic regions (Noyes, 2001).

         
 
 

Biology

     

The species of this genus are parasitoids of agromyzid leafminers, although they are occasionally reared from other Diptera and Lepidoptera leafminers (Noyes, 2001).

       
                                       
 
 

Comments

 
Diglyphus belongs to the tribe Cirrospilini having funicle 2-segmented in both sexes, propleura separated posteriorly, submarginal vein with 3 or more setae dorsally and 2 pairs of scutellar setae.
Diglyphus can be distinguished from the other Cirrosplini included in the key as follows: Cirrospilus, Diaulinopsis and Semielacher have notauli complete and reaching posterior margin of mesoscutum; Cirrospilus “variegatus group” and Zagrammosoma have extensive yellow markings on the body and vaulted vertex; Diaulinopsis has postmarginal vein at least 1.50 times stigmal vein; Semielacher, Meruana and Danuviella have a distinct petiole; Meruana has also propodeal plicae which converge posteriorly. Finally, Cirrospilus ambiguus and Danuviella seem to be the closest taxa to Diglyphus: C. ambiguus has notauli curving to axilla as all Diglyphus have, but may be recognized by having yellow markings on head and on the gaster; Danuviella has a small but distinct petiole.
Reviews or keys for Diglyphus are available for North America (Gordh & Hendrickson, 1979), Europe (Yefremova & Shrol, 1996b) and China (Zhu et al., 2000b).
                       
                                                             
                         
 
                                                             
     
 
 

 

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October 2005
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