NO. 1157. JAPANESE HYMENOPTERA—MARLATT. 499 



Type.—^o. 3827, U.8.N.M. 



Described from two females and three males. (Gifu), labeled " Gifu 



bee," (No. 20). 



13. ABIA IRIDESCENS, new species. 



Female. — Length, 14 mm.; expanse, 30 mm,; moderately robust, head 

 and thorax strongly punctured, abdomen less coarsely punctured, basal 

 segments glistening, apical segments pubescent, the pubescence of 

 thorax and head long, somewhat scattering; clypeus truncate or but 

 slightly emarginate; antenna? 7 jointed, the three terminal joints con- 

 stituting a sortof club, but with distinctly marked joints; upper discal 

 cell of hind wings very narrow, exceeding lower cell by about one-third 

 its length; claws coarse and heavy, evenly notched. General color 

 green with coppery reflections, reddish purple in certain lights; 

 antennjc, tibitc, and tarsi yellowi.sh-brown; wings yellowish, with the 

 upper half of anterior pair brown, sharply limited by the median and 

 cubital veins, 



Male. — The male does not differ from the female in any important 

 colorational or structural characters, other than those indicating sex. 

 The center of the third to the sixtli dorsal sderites of the abdomen is 

 depressed and covered with a fine brownish i)ile. 



Type.— 1^0. 3828, U.S.N.M. 



Described from two specimens, male and female. (Gifu Mountains), 



(No, 25). 



14. ABIA LEWISII Cameron. 



Ahia lewinii Camero.v, Proc and Trans. Nat. Hist. Soc. Glasgow, 188.5-6, p. 270, 



Five examples of this species are included in the collection, four of 

 which are males. (Gifu Mountains), (No. 27). 



15. TREMEX SIMILIS, new species. 



Female. — Length, including sheath of saw, 31 to 34 mm.; expanse, 42 

 to 45 mm,; head and tliorax clothed with rather long and dense yellow 

 hairs; abdomen nearly smooth, hairs much shorter and not particularly 

 noticeable except along sides and on the venter ; claws with short, 

 sharp inner tooth, projecting at right angles with claw ; antennie 

 15-jointed ; terminal dorsal segment with a sharp triangular projection, 

 strongly toothed or serrate and as long as wide at base. Color tawny 

 yellow ; meso- and metauotum, black ; basal segment of abdomen and 

 narrow base of each of following segments increasing posteriorly yel- 

 low ; terminal sclerite (seventh) yellow, black limited, to a s})ot covering 

 center; a broad black dash on either side of eighth segment; pos- 

 terior and middle legs more or less black; posterior legs black except 

 lower edge of tibia; and tarsi and nearly all of apical joints of the lat- 

 ter; anterior pair reddish, middle pair reddish, infuscated on basal 

 joints; thorax beneath and more or less of the abdomen, dark brown or 

 black; antennte black, except two or three basal joints; wings resinous 

 yellow; veins yellowish brown, 



Type.—^o. .3820, U,S,N,M. 



Described from three females, ((iifu woods), (No. 28). 



