AHT. 2 LARVAE AND PUPAE OF THE FAMILY LEPTIDAE GREENE 19 



tubercles at the edge; below this concavity are two oblique grooves; 

 the ventral part of the segment terminates in a very large bifid 

 tubercle with each prong pointed at the "end; on the ventral side 

 of segments from 1 to 7 are transverse rows of spines similar to the 

 dorsal rows and continuous wdth these. 



Length, 15 mm. ; diameter of thorax, 3 mm. ; diameter of abdomen, 

 2.70 mm. 



Northern Illinois, no date. Collection of D. W. Coquillett. 



CHRYSOPILA ORNATA Say 



Plate 3 



Pupa {fig. 17). — Large, dull, cylindrical, brick red, slightly darker 

 toward caudal end; thorax slightly wider than abdomen. Head 

 much broader than high ; on the front part of the head are two pairs 

 of rugose bristle-bearing tubercles, the anterior pair smaller and 

 closer together; below these tubercules, very widely separated, are 

 the antennal capsules, which are rounded, elongate, tapering to a 

 IDoint and fitting close to the head; on the postero-dorsal portion of 

 the head are two widely separated rugose tubercles without bristles. 

 Thorax about as wide as long; along the dorso-anterior suture are 

 two elliptical areas, each area with a median rugose tubercle which 

 terminates in a thin hair ; each antero-lateral angle with a prominent 

 rugose tubercle which bears the thoracic spiracle (fig. hh) ; the 

 spiracular entrance place is sinuous and composed of numerous, 

 mostlj^ parallel, 3'elloAv slits; at the postero-dorsal end of the thorax 

 is a plate which is rugose medianly, each antero-lateral angle has a 

 small bristle-bearing tubercle, and near the anterior edge a transverse 

 row of four bristles; wing pads smooth, reaching to posterior edge of 

 first abdominal segment; leg capsules between and extending slightly 

 beyond the wing pads. Abdomen with eight faintly rugose seg- 

 ments; first segment with a posterior transverse row of three pairs 

 of bristles ; segments 2 to 7 with a transverse, posterior row of short 

 spines and three pairs of longer spines in the same row; on the side 

 of each abdominal segment is a prominent faintly rugose tubercle 

 upon which is located a spiracle (fig. ii), details as in figure hh, 

 but it is smaller; the last segment has six conical, dorsal lobes each 

 terminating in a thickened, elongated, conical process with a sharp 

 point, the outer one of the lobes generally a little larger than the 

 others; the postero- ventral part of last segment terminates in a 

 broad bifid lobe wih each of the branches pointed at the end; seen 

 from the rear, the last segment has a deep depression, on the upper 

 and lower edge of which is a pair of prominent tubercles, the upper 

 pair being the larger; below this depression are two well-defined, 

 oblique grooves, pointing downward and outward. 



