454 ENTOMOLOGICAL NEWS. [Dec., 'o8 



of about fourteen spines. This ctenidium is continued downward on 

 each side by about nine very indistinct pseudo-spines, these shadowy 

 spines overlapping the mesothorax. At the lower border of the prono- 

 tum is a long bristle, above this another smaller one and near the 

 dorsal margin one more. In the male there is a pronotal ctenidium 

 of about thirty-eight spines. The bases of these spines form a com- 

 pound curve, above the convexity being anterior while laterally the 

 anterior margin is concave, and this concavity is filled in by appar- 

 ently a duplicate set of shadowy pseudo-spines, and between each of 

 these pseudo-spines is an indistinct bristle. The mesonotum is short 

 and contains on its dorsal median surface a thickened chitinous patch, 

 this patch being prolonged over the metanotum and containing a few 

 long hairs. The metanotum is the longest of the thoracic nota, thick- 

 ened on its dorsal median surface and contains in this thickened patch 

 an anterior and posterior row of about six long hairs placed very close 

 together and on its lateral surface is a long bristle. 



The mesothorax is not divided by a vertical suture and has, a little 

 anterior to its middle, one long bristle in the female and two in the 

 male, and on its posterior border two long bristles one above and one 

 below the second thoracic stigma. The episternum of the metathorax 

 is fused with the metanotum and contains one short and one long 

 bristle, the metasternum has one short, stout bristle placed high up 

 and the epimerum in the male has four or five large bristles and in 

 the female four. 



The Abdomen. The abdominal tergites from the first to sixth, have 

 in the median line of the dorsal surface a distinct saddle-shaped chitin- 

 ous patch and a set of short, stout teeth or spines. These spines over- 

 hang the chitinous patch of the next posterior segment. 



The first, second and sixth have five teeth each, and the third, fourth 

 and fifth seven each. The three middle teeth are in each case the larg- 

 est and blackest . The seventh tergite contains the thickened patch, but 

 in place of the teeth has at its apex, in the female, two short, stout 

 antipygidial bristles and in the male one bristle on each side. Anterior 

 to the spines in each tergite, in the median line are several hairs. 

 Laterally on each tergite are two bristles, one below and one above the 

 stigma. The sternites in the male from the third to the eighth con- 

 tain a single row of six bristles while in the female there is on the third 

 a row of four bristles and on the second sternite only two bristles. 

 The eighth tergite has just at the upper edge of the pygidium a small 

 hook-like process and laterally in the female there are four bristles 

 placed one above the other. Below there is a patch of about seven 

 bristles, more or less in line, on each side and above these close to the 

 margin about eight small bristles. The eighth sternite is very narrow. 

 The stylet is long, narrow, cylindrical, as wide at the tip as at the base, 



