Illi: GYPSY M()TlI--AlMMv\l>I\. 79 



UlOUth parts dull black, not shining. Head large, a- lonir 

 a- wide, dorsal surface flattened; palpi prominent, Imi-cr 

 than antenna-. Posterior margin of Hit- head somewhat. 

 em argin ate at the centre. First thoracic segment as long 

 as the two following, slightly wider llian the head and edge- 

 produeed laterally. All the body segments except the last 

 are truncate behind, and hear ;i prominent impressed dor-al 

 line. Caudal appendages present, simple and provided with 

 numerous spines. 



Ventral portion of the body nearly pure white, but is 

 profusely covered with small black chitinous plates. Spir- 

 acles nine, black, circular and arranged just below the 

 lateral edges of the dorsal plates. Anal proleg moderately 

 stout. After feeding for a week the larvae molted. 



Second Stage. Soon after molting the larvse became 

 black and measured 18 mm. in length. Body somewhat 

 stouter than in preceding stage. Head longer than w r ide, 

 emarginate behind. Prothorax wider than the head. Dor- 

 sal line quite prominent. Abdominal segments truncate 

 and slightly produced laterally. The second molt occurred 

 at the end of a week. 



TJiird Stage. The following description was not made 

 until the larva was almost ready to pupate. Length, 

 30 mm. Color, dull black. Head of medium size, flat- 

 tened, truncate behind. Clypeus slightly broader in front 

 than in C. frigidum. Strongly bilobed. Suture between 

 clypeus and epicranium sub-obsolete. Mandibles stout, the 

 large tooth (Plate 3, Fig. 10) near the base being deeply 

 cleft on the inner margin. Prothorax longer than the head, 

 the hind angles slightly curved. Meso- and mela-thorax 

 smaller, but similar in shape, each thoracic segment bearing 

 four pairs of hairs on the dorsal plate. The abdominal 

 plates one to seven of the same form ami bearing a moderate 

 carina near the posterior edge of the segment. Kiirhth 

 segment a little larger, slightly wider, and also bearing a 

 carina, lateral edges of each abdominal segment bearing 

 three short hairs. The last segment (Plate 1, Pig-. 5, <!) 

 small, posterior angles produced backward, but hind edge 



