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Tribe Eulophini

Diagnosis - Propleura meeting posteriorly and covering prosternum. Funicle usually with 4 segments (rarely 3). Face without transverse sulcus about midway between torulus and anterior ocellus. Postmarginal vein generally distinctly longer than stigmal vein (STV). Submarginal vein with 3 or more setae on dorsal surface. Notauli variable: complete, straight or nearly so, and reaching hind margin of mesoscutum; complete, curved to meet anterior margin of axilla; incomplete or absent. Scutellum with at least 2 pairs of setae; with or without paired longitudinal lines. Male antenna often with funicular branches.

Classification and distribution - The Eulophini is worldwide in distribution, and contains about 1000 species in 85 genera.

Identification - There are no keys strictly to Eulophini; however keys to all Eulophinae genera are available for Australasia (Boucek, 1988) and North America (Schauff et al., 1997). Gauthier et al. (2000) provided a list all genera in this tribe.

Biology - Most Eulophini are parasitoids of larval Lepidoptera; with the exception being genera with leafmining parasitoids which attack hosts in other orders. Species in most genera are ectoparasitic idiobionts of larvae concealed in plant tissue; only a few are ectoparasitic koinobionts of exposed caterpillars. Many species in this tribe are gregarious, and as is often the case in idiobionts, several species are known to be quite polyphagous. There are several genera known to attack leafmining agromyzids: Sympiesis, Pnigalio, Ratzeburgiola, Hemiptarsenus, Dicladocerus, Stenomesius. Species in these genera also attack Lepidopterous leafminers, and in some cases leafminers in other orders.






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October 2005
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