44 N. S. ENTOMOLOGICAL SOCIETY 



dorsal row wanting on the prothorax, but with an additional 

 tubercle on the second abdominal segment ;the supraspiracu- 

 lar row wanting on the thoracic and first abdominal segments. 

 Each tubercle bears a short, black spine, but those of the sub- 

 spiracular row are larger and bear two black spines. All are 

 absent on the anal segment. 



Antennae, short and thick. Mandibles, short. Legs, 

 corneus, the margins bearing a few short hairs, and the tarsi 

 terminate in a hooked claw. 



Color, body, light brown and very finely punctate. Meso 

 and metathorax; these have an irregular dark marking on the 

 lateral margins, while there is another on the first abdominal 

 segment. Head and prothoracic shield, black, shiny, with a 

 light brown line lengthwise of the dorsum, the former bearing 

 a few short hairs. Tubercles, black. Antennae and Mand- 

 ibles, black. Legs, black, except trochanter which is light 

 brown. 



Length of body, 1.593 m. m. -1.620 m. m. Greatest width 

 .918 m. ?n.-.972 m. m. Width of prothoracic segment .594 m. 

 m.-.621 m. m. Width of head .648 m. m.-.675 m. m. 



Second Instar. General form, similar to previous instar. 

 Prothorax, wider than head and body, widest at fourth abdom- 

 inal segment. 



Color, same as before, with a tinge of green on the meso 

 and metathorax, and a dark irregular marking over the dorsum 

 of the abdomen. Anal segment black dorsally, and light 

 brown on the ventral side. 



Length of body, 2.64 m. m.-2.70 m. m. Greatest width 

 1.35 m. m. — 1.40 m. m. Width of prothoracic segment .918 

 m. m. — .973 m. m. Width of head .891 m. m. — .945 m. m. 



Third Instar. The difference in this stage from the pre- 

 vious two are size and color, while the prothorax is very much 

 wider at its posterior margin. 



Color. Head and prothorax, shiny black with a white line 

 down the dorsum. Mesothorax, sooty black on the dorsum, 

 gradually becoming lighter towards the lateral margins. Meta- 

 thorax and abdomen, pale, yellow brown, with small dark irre- 

 gular patches on the subdorsal surfaces, and a faint black line 

 lengthwise of the dorsum. Legs, light brown, except femur 

 which is black. 



Length of body, 3.51 m. m. — 3.67 m. m. Greatest width 

 1.97 m. m. — 1.99 m. m. Width of prothoracic segment 1.56 m. 

 m.-1.76 m. m. Width of head 1.15 m. m.-1.35 m. m. 



