325-326 
326-325 
327-328 
328-327 
320-324 
330-331 
331-330 
332-335 
333-334 
334-333 
335-332 
336-337 
338-321 
339-340 
340-339 
341-342 
342-341 
New Species of Sierola, With Explanatory 
Head widest across the eyes, narrowing be- 
hind and in front, segments of the anten- 
ne throughout longer than wide 
Head with the lateral margins parallel, not 
converging behind the eyes, segments of 
the antenne not longer than wide 
throughout 
Head longer than wide by a half, punctua- 
tion coarse, hairy 
Head only a little longer than wide, punctua- 
tion fine, hairy clothing inconspicuous 
Mandibles slender 
Head as wide as long 
Head longer than wide 
Head widest across the eyes, narrowing be- 
hind and in front 
Head considerably longer than wide, vertical 
margin straight, mandible touching the 
eye at the base, abdomen ovate 
Head only a little longer than wide, vertical 
margin slightly convex, base of the man- 
dible not reaching the eye, abdomen 
short ovate, apically acuminate 
Head with the lateral margins parallel, not 
converging behind the eyes 
Mandibles marked with red, nearly but not 
quite reaching the eye at the base, me- 
dian groove of the gula nearly effaced, 
propodeum rugulose 
Mandibles black, touching the eye at the 
base, gula with a shallow depression 
along the median line, propodeum deli- 
cately sculptured 
Opaque, not at all shining 
Head longer than wide by a half, clothed 
with long silvery hairs 
Head as wide as long or nearly so, hairy 
clothing short and inconspicuous 
Head a little longer than wide, only the pedi- 
cel and first three funicle segments of 
antenne longer than wide, mandibles 
slender, wings with fuscous pigmentation 
Head as wide as fong, narrowing behind the 
eyes, width between the eyes nearly 
twice the length from eye to vertex, an- 
tennal segments throughout considerably 
longer than wide, mandibles stout, wings 
with a yellowish brown pigmentation 
e771] 
161. 
166. 
167. 
168. 
160. 
170. 
TGA 
Notes. 71! 
langfordi 
aspera 
atra 
newelli 
waianaeana 
distinguenda 
rufomandibulata 
curtosa 
subcrispa 
nuda 
willardi 
