THE CANADIAN ENTOMOLOGIST. 109 



than 2 and 3 together, but as long or longer than 3 and 4 together; 

 in middle tarsi joint 5 equals twice 4, equals or is slightly 

 shorter than 2, which is shorter than i and shorter than 3 and 4 

 together ; in posterior tarsi joint 2 is less than three times 4, much 

 longer than 5, and nearly as long as 3 and 4 together F. 



BB. Hind femora without a row of minute bristles on the side ; eyes 

 small, near lower edge of head ; antennal groove in anterior half 

 of head ; maxillary palpi in female with joint 2 more than three- 

 fourths of 4 ; head in female evenly rounded from occiput to 

 mouth ; pronotal comb of 18 spines ; colour light brown, some- 

 times darker dorsally C. 



'C. Abdomen more convex above than below, and without teeth on discs 

 of first two or three segments above ; bristles on second antennal 

 joint shorter than third joint; bristles on abdomen as follows : 

 first row on each side of dorsal segments with 4 or 5 bristles, second 

 row with 6, ventral segments with 4 on each side ; in anterior tarsi 

 joint 5 is longer than 3 and 4 together ; in middle tarsi joint 5 

 equals twice 4 and equals i ; in posterior tarsi joint 5 equals 

 two-thirds of 2, is less than twice 4, and equals 3, 2 is slightly 

 less than 3 and 4 together, while i is more than twice 5 ; 

 colour light brown ; length : female, 3 mm Wickhami, n. sp. 



CC. Abdomen concave or very slightly convex above; with minute teeth 

 on discs of first two or three abdominal segments above D. 



D, Bristles on second antennal joint nearly as long as third joint; 



bristles on abdomen as follows: first row on each side of dorsal 

 segments with 6 bristles, second row with 7, ventral segments with 

 4 or 5 on each side ; in anterior tarsi joint 5 nearly as long as 3 

 and 4 together ; in middle tarsi joint 5 is less than i, about as long 

 as 2 or shorter, and less than 3 and 4 together ; in posterior tarsi 

 joint 5 equals two-thirds of 2, equals 3, and is less than twice 

 4, 2 is less than three times 4, and i is more than twice 5 ; 

 colour light brown ; length : female, 2.5-3 mm .... Giliettei, n. sp. 

 DD. Bristles of second antennal joint short; comparative lengths of tarsal 

 joints not as above E. 



E. Male claspers unarmed ; head evenly rounded ; first and second 



rows of bristles on dorsum of abdominal segments each with 7 

 bristles ; in anterior tarsi joint 5 equals 3 and 4 together ; in 

 middle tarsi joint i equals 2, equals 5, and equals 3 and 4 together; 



