1977] 
Porter — Mesostenines 
63 
with black irregularly along its anterior margin; propodeum basad 
of basal trans-carina entirely black and apicad of basal trans-carina 
white with a broad anteriorly gradually narrowed black blotch that 
reaches forward from gastric insertion about 2/3 the distance to 
basal trans-carina as well as with a broad black stripe along about 
basal 7/9 of pleural carina; first gastric segment with white on basal 
1/2 of petiole above and laterally and on apical 1/2 of postpetiole 
as well as with brownish yellow on most of petiole ventrally; gastric 
tergites 2-7 black with very broad white apical bands and tergite 8 
and claspers brownish yellow; fore leg with coxa, trochanter, and 
trochantellus white, femur and tibia dull pale fulvous, and tarsus 
pale brownish with segments 3-5 blackish; mid leg with coxa white 
with a yellowish brown tint, trochanter yellowish white with con- 
siderable brown staining, trochantellus yellowish white, femur and 
tibia pale fulvous and tarsus blackish grading irregularly into dull 
fulvous on basal 1/2 and with a little pale brownish on tips of seg- 
ments 1-4; hind leg bright, deep fulvous on coxa, trochanter, tro- 
chantellus, femur and tibia and with considerable dark brown on 
trochanter, a little blackish on base of tibia, and slight dusky stain- 
ing toward apex of tibia, and tarsus with segment 1 black on basal 
half and white on apical half, segments 2-4 white, and 5 black; 
wings hyaline with stigma dark brown. 
Length of fore wing: 5.0 mm. Flagellum: first segment 4.25 as 
long as deep at apex; segments 12-15 with tyloides in the form of 
fine but sharp carinae that extend about 0.4-0. 6 the length of each. 
Malar space: 0.58 as long as basal width of mandible. Clypeus: 
moderately strongly and asymmetrically convex, weakly nasute in 
lateral view. Temple: at upper 1/3 about 0.38 as long as eye in 
lateral view. Pronotum: scrobe smooth and polished, without 
wrinkles except for the short epomia. Mesoscutum: smooth and 
polished with numerous tiny, well spaced punctures. Mesopleuron: 
mostly smooth and polished with small, scattered punctures. Lower 
metapleuron: smooth and polished with small, very well spaced 
punctures that are scarcely denser dorsad; juxta-coxal carina ab- 
sent. Wing venation: intercubitus about 3.0 as long as width of 
radial vein. Hind femur: 5.1 as long as deep at middle. Propo- 
deum: basad of basal trans-carina smooth and shining with numer- 
ous medium-sized punctures, laterad and behind basal trans-carina 
rather strongly and irregularly wrinkled; basal trans-carina almost 
straight; apical trans-carina forming broad and strongly projecting 
