LIBRARY

652
COLLEGE ENTOMOLOGY
13. Antennre 12- or 13-segmented. . 14
Antenrue four- to nine-segmented; notaulices distinct; middle tibial
spur moderately long; stigmal vein very short, nearly obsolete, the
knob sessile or subsessile; mesopleura without a femoral furrow
APHELINID}E p. 658
14. Antenrue usually 12-segmented . 15
Antennre 13-segmented, with two ring joints and three segments to
the club; occipital line incomplete . . PTEROMALIDlE p. 656
15. Abdomen distinctly petiolate; ocdpitalline complete . SPALANGIIDlE
Abdomen almost sessile; pronotum scarcely visible in the middle,
submarginal vein subangulate, stigmal club often large, notaulices
distinct; funicle of antennre five-segmented . TRIDYMIDlE
16. Tarsi four- or five-segmented . 17
Tarsi three-segmented; pubescence of wings arranged linearly
TRlCHOGRAMMATIDlE p. 660
17. Submarginal vein entire, furnished with many bristles; postmarginal
vein distinct; hind tibire sometimes with two spurs 18
Submarginal vein broken; postmarginal vein sometimes wanting; hind
tibia: with one spur; male antennre simple . 20
18. Abdomen sessile or with a distinct petiole that is transverse and
smooth; notaulices either absent or represented only by very slight
impressions . 19
Abdomen usually with a distinct petiole; notaulices very distinct; antenrne
inserted below middle of face, simple in male; mesonotum
with parapsidal furrows complete, distinct, entire . ELACHERTIDlE
19. Hind coxre very large and strongly compressed; head semiglobose, front
deeply, sparsely punctate; antennre flabellate in male; marginal vein
in fore wings usually extraordinarily lengthened, the radius very
short, scarcely dilated; mesonoturn without furrows . ELASMIDlE
Hind coxre normal; tarsi four- to five-segmented, rarely heteromerous;
marginal and radial veins normal; postmarginal vein often missing;
mesonotum with complete or incomplete furrows; antenrne often
flabellate in male: mesonotum with parapsidal furrows incomplete or
absent, at most only slightly indicated anteriorly . EULOPHIDlE p. 657
20. Submarginal vein very short, either ornate or provided with two
bristles; marginal vein very long; postmarginal vein variable, often
very short or indistinctly developed; metapleura very small; Beutel
with two bristles near the middle . ENTEDONTIDlE
Submarginal vein usually longer than the marginal vein with one to
five bristles; stigmal vein distinct, never subsessile, usually long;
metapleura triangular, not small; mesopleura with a distinct femoral
furrow; postmarginal vein usually absent; seutel with four bristles,
all behind the middle, often with two longitudinally impressed lines;
abdomen sessile , TETRASTICHIDlE p. 658
Family CHALCIDIDlE (Leach 1830) Westwood 1840 (Chal-cid'i-dre; see derivation
under superfamily). German, Zehrwespen. Chalcid Flies, Chalcids.
Minute, 2-7 mm., mostly black or brown, marked with wrlite, yellow or
reddish; nonmetallic. Head small. Antenme simple and short. Eyes large.