251 



I. Sixth antennal joint much shorter than the first. 



2. procera Burm. Shining castaneo-piceous, the mouth- 

 parts castaueo-luteous, the antenngs brown, paler 

 toward the tip, the legs luteous, the tegmina with a 

 large rufo-luteous spot. Length 22°»™; forceps, ^ 

 gmm^ 5 C'>'"'. West Indies and Central America (as 

 well as northern parts of South America). 



1 3. americana Pal. Castaneous ; mouth-parts and legs 

 fulvous ; autennse. 18-jointed ; tegmina uniform in 

 coloring throughout; forceps of female strongly in- 

 curved at the tip, denticulate on the basal half of 

 inner margin. Body 21"™ ; forceps 9 9""". St. Do- 

 mingo and other parts of the West Indies and Cen- 

 tral America. 



1). Possessed of neither tegmina nor wings. 



Anisolabis. Body long and slender, wholly apterous, of 

 nearly equal width throughout ; antennae scarcely 

 half as long as the body, with about 20 joints ; first 

 and last tarsal joints of about equal length, the sec- 

 ond small, simple ; second and third abdominal seg- 

 ments with very slight lateral plications ; forceps 

 short, rather stout, arcuate, similar in the two. sexes, 

 except in being much more arcuate in the male and 

 generally a little asymmetrical. 



( Femora broadly annulated with fuscous 1. azteca. 



\ Femora unicolorous 2. maritima 



fl. azteca Dohrn. Piceous, very delicately punctulate ; 

 tibiae and tarsi testaceous ; femora broadly annulate 

 in the middle with fuscous, the ninth joint of the 

 antennae pale, the rest rufo-testaceous, like the mouth- 

 parts. Body 9'""^ ; forceps l'""^ Mexico. 



2. maritima Bon. Blackish mahogany-brown ; mouth- 

 parts and legs luteous ; antennae luteous, more or 

 less infuscated, the ninth joint of the same color as 

 the rest. Body IS"^"" ; forceps 3""". North Carolina, 

 South Carolina, Key West, Bermuda, Nicaragua (and 

 nearly the whole temperate and subtropical world). 



2. First anteuual joint no longer than the fourth and fifth joints 

 together. 

 Spongophora. Whole body flattened, long, and slender, 

 the sides of the abdomen straight; autenniTj more 

 than half the length of the abdomen, 15-20joiuted, 

 the joints rather long; tegmina and wings present; 

 first tarsal joint longer than the other two together, 

 the third scarcely longer than the simple second 

 joint ; pad minute ; second and third abdominal seg- 

 ments with lateral plications; forceps very long, 

 generally nearly straight, and either separated with 

 a few teeth on inner edge (^), or attingent and 

 nearly or quite unarmed ( 9 ). 



