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ent 16 ent
21 ent 26
Erdös, 1966 comparative info return to: prev home
Mandibular formula 3:3. Clypeus not set off by sutures. Transverse frontal groove
nearly straight; scrobal depressions uniting shortly before reaching transverse groove,
interscrobal process not reaching groove. Flagellar formula strictly 1,4,1
[anellus very tiny, could easily be interpreted as absent]; scape relatively long and
narrow: about 5x longer than broad, strongly flattened laterally; flagellum with
symmetrical (type 1) peg sensilla. Mesoscutal midlobe with 2 pairs of setae. Forewing
always strongly wedge-shaped: nearly 4x longer beyond venation than at parastigma; apical
fringe setae short; postmarginal vein about 2x stigmal vein length; no setal tracks
radiating from stigma; forewing without fuscate areas. Propodeum without median carina;
callus with 2 setae. Petiole distinct, slightly broader than long. Compare with: Chrysocharis,
2a-b: Grahamia face (left), and female antenna (right)
clinius (Walker) is a parasitoid of Haplodiplosis equestris [Cecidomyiidae].
Comments: 2 described
species, nearly identical with one another. Very similar to Chrysocharis, but
possibly not rendering it paraphyletic.
Chrysocharis: Always with three anelli, the
3rd large in females: about 0.33x first funicular segment length, but all three anelli
disclike in most males, sometimes hard to distinguish. Many species with 2 (rarely 3)
claval segments. Transverse frontal groove usually distinctly v-shaped.
Achrysocharoides: Eyes very strongly
setose. Flagellar formula usually 3,3,2, sometimes 3,4,1 in males. Mesoscutum
and especially scutellum often with distinct groups of pits or
longitudinal foveae. Postmarginal vein usually about 1x stigmal vein length,
rarely up to 1.4x stigmal vein length (in which case the scutellum has groups of pits).
Usually not confusable.
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Hansson, 1988. A revision of the genus Mestocharis and a
review of the genus Grahamia (Hymenoptera: Eulophidae). Proceedings of the
Entomological Society of Washington. 90: 28-36.
Image credits: Hansson (1988).