70 New Species of Sierola, With Explanatory Notes. 
306-309 Body particolored 
307-308 Abdomen yellowish brown to piceous, head 
and thorax remotely punctate, width be- 
tween the eyes greater than the length 
from eye to vertex, antenne reaching 
mesoscutum, mandibles slender, upper an- 
gle of the base touching the eye, wings 
with deep yellowish brown pigmentation 153. kaumuohona 
308-307. Only the apical margin of abdominal seg- 
ments brown, punctuation of head and 
thorax close, width between the eyes 
equalling the length from eye to vertex, 
antenne no longer than the head, man- 
dibles stout, base not reaching the eye, 
wings with a faint yellowish brown pig- 
mentation 154. brunnetventris 
309-3060 Body entirely black 
310-313 Head longer than wide by a half 
311-312 Mandibles as well as the abdomen short, 
wings with a faint fuscous pigmentation 155. blackburn 
312-311 Mandibles as well as the abdomen rather 
long, wings hyaline 156. celeris 
313-310 Head not much longer than wide 
314-317. Antennal flagellum mostly fuscous 
315-316 Head narrowing behind the eyes, tumid be- 
neath, segments of the antenne through- 
out longer than wide, mandibles slender, 
gula and sides of the head flat, wings 
with a faint yellowish brown pigmenta- 
tion 157. perkinsi 
316-315 Head with the lateral margins parallel, not 
converging behind, convex beneath, seg- 
ments of the antenne beyond first funicle 
segment as wide as or wider than long, 
mandibles stout, gula and sides of the 
head a little convex, wings faintly fus- 
cous 158. perottetiae 
317-314 Antennal flagellum mostly yellowish brown 
318-319 Legs somewhat infuscate, first funicle seg- 
ment longer than wide, mandibles touch- 
ing the eye at the base 159. humalis 
319-318 Legs entirely brown, first funicle segment as 
wide as long, base of the mandibles not 
reaching the eye 160. proxima 
320-305 Dull shining or opaque, not at all brilliant 
321-338 Dull, only faintly shining but not opaque 
322-323 Body particolored, mostly brown dichroma P. 
323-322 Body entirely black 
324-329 Mandibles stout 
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