Dec., '09] ENTOMOLOGICAL NEWS 421 



Metasternum produced in front, with a blunt point, meeting the 

 mesosternal point. 



In the male the 7 dorsal segment of the abdomen with a round tuber- 

 cle in the middle, nearer to the apical margin; 8 dorsal segment round- 

 ed, truncate, with a pointed tooth at each side, these teeth separated 

 by a deep sinus from a middle lobe, the latter with rounded angles and 

 a slight almost angular median emargination; 6 ventral segment mod- 

 erately produced, rounded, narrowed at apex. 



In the female the 8 dorsal segment rounded, slightly emarginate in 

 the middle ; 6 ventral segment rounded, a little narrowed. 



Length, 2.8-3 mm. 



Porvenir and Upper Pecos Valley, in New Mexico. 



5. Atheta (Dimetrota) laetula spec. nov. 



Moderaely elongate, rather depressed, moderately broad, very little 

 narrowed in front and behind. 



Head black, with very faint bronze lustre, very little shining; pro- 

 thorax and elytra brownish yellow, the latter with a faint darker cloud 

 around the scutel and at the outer hind angles, almost opaque; abdo- 

 men reddish yellow, its apex from the 5 segment on black, the very 

 apex sometimes a little lighter again, moderately shining; antennae 

 piceous brown, the first two joints and the mouth a little lighter; legs 

 yellow. 



Antennae a little longer than head and prothorax together, moder- 

 ately incrassate toward apex; joint I a little thickened; 2 and 3 about 

 equally long, the latter sometimes a little shorter; 4 a little shorter 

 and narrower than 5, transverse; 5-10 gradually incrassate, transverse, 

 the penultimate joints about twice as wide as long; n longer than 9 

 and 10 together, oval, pointed. 



Head a little narrower than the prothorax. rather large, transverse, 

 moderately densely subgranulosely punctate, sparsely yellowish pubes- 

 cent; eyes large, prominent, much longer than the tempora ; genae en- 

 tirely margined. 



Prothorax a little narrower than the elytra, about one-half wider 

 than long; sides evenly, moderately rounded; base rounded, emargin- 

 ate at the sides ; hind angles obtuse, not entirely rounded ; densely sub- 

 granulosely punctate, with yellowish pubescence and 2-3 conspicuous 

 black side bristles. 



Elytra wider and about one-third longer than the prothorax, outer 

 hind angles a little emarginate; very densely, not very finely punctate, 

 with rather dense, conspicuous yellow pubescence. 



Abdomen very little narrowed behind; segments 3-5 transversely im- 

 pressed at base, not very sparsely and finely punctate, segments 6 and 

 7 a little more sparsely punctate, with sparse yellowish pubescence and 

 robust black side bristles. 



