NO. 1157. JAPANESE HYMENOPTEBA—MABLATT. 497 



infuscated with brown on upper half of anterior pair; lower half of 

 anterior wings and the hind wings light yellowish brown. 



Male. — Length, 25 mm.; expanse, 45 mm.; much more slender and 

 elongate than the female, and with the antennae slenderer and more 

 elongate but agreeing with the latter in general structure and colora- 

 tional characters. The femora are distinctly yellowish ferruginous on 

 the upper or wing-side, and the black bands on the basal portions of 

 the abdominal segments are more distinctly defined. 



Type.—'So. 3824, U.S.N.M. 



Described from two females and five males. (Gifu and Nomura.) 

 The name on the label, probably referring to the larva of this insect, 

 designates it as a silkworm. (No. 22.) 



lo. CIMBEX TAUKUSHI, new species. 



Female. — Length, 28 mm.; expanse, 56 mm.; very robust, abdomen 

 very much broader than thorax; resembling the previous species 

 somewhat in general appearance — not much larger, but stouter; 

 pubescence on head, thorax, and abdomen dark brown or black, not 

 dense; surface shining; clypeus broadly and distinctly emarginate; 

 antennje short, five distinct joints before club; club with one distinct 

 annulation near base, and two others very indistinct, indicating four 

 joints ; claw with very minute inner tooth, lying close to inner edge 

 and distinguished with difficulty. Color, reddish yellow, coppery and 

 bluish brown; head for the most part, margin of pronotum, sutures 

 of mesonotum lightly, scutellum, and abdomen, except basal segment 

 and bases of following segments, decreasing with each, reddish yellow; 

 the abdomen being much lighter colored, however, than the head and 

 thoracic areas; spot about ocelli, more or less of clypeus meso- and 

 metathorax, basal segment of abdomen above, sutures of the three fol- 

 lowing segments and most of lower surface of abdomen, together 

 with the pleura, pectus, legs except tibiae and tarsi, dark brown with 

 distinct purplish metallic reflections; antennae, tibiae, and tarsi yellow- 

 ish; wings mottled with light yellowish brown, posteriors paler; veins 

 reddish brown. 



3Iale. — Length, 33 mm.; expanse, 65 mm.; agrees structurally with 

 the female; in colorational characters it is somewhat darker, the head 

 and pronotum being almost altogether purplish brown. On the lower 

 side of the body the purplish tint is very i^ronouuced and striking; 

 tlie abdomen beneath in the male being, however, almost altogether 

 light colored except extreme margin of segments. 



Type.—^o. 3825, U.S.N.M. 



Described from two females and one male. (Taukushi), (No. 23). 



II. CIMBEX YOROFUI, new species. 



Female. — Length, 18 mm.; expanse, 36 mm.; in form slen. er and 

 wasp-like, closely resembling in general appearance one of the smaller 

 Vespas ; abdomen narrow, not broader than thorax, head narrower 

 Proc. N. M. vol. xxi 32 



