NO. 1370. LEPIDOPTFAiA OF THE KOOTENAI 1>LSTIIICT~DYA]1. 871 



CUCULLIA OBSCURIOR Smi.h. 

 One specimen, Au(^u.st 4. 



CUCULLIA POSTERA Guene'e. 



Two specimens, July 8, August 20 (Nelson). 



GORTYNA MEDIALIS Smith. 



No specimens; one in Mr. Cockle's collection. 



PYRRHIA EXPRIMENS Walker. 



No specimens; one in Mr. Cockle's collection, July 20, 1901. 



XANTHIA FLAVAGO Fabricius. 



Two specimens, August 15, 17. 



TRIGONOPHORA PERICULOSA Guenee. 



Two hundred and sixty specimens, July 14, 21, 22, 27, August 3, 

 4, 5, 6, 15, 17. Variable within the usual specific range. The form 

 v-hrunneum occurred in small proportion. Eggs were obtained, l)ut 

 only a few larvaj reached the last stage before winter. 



Egg. — Nearly spheroidal, the top slightly conoidal, roughened by 

 the ends of the ribs, base flattened moderately; ribs about 32 around 

 the margin, diminishing above by alternation to 10 about the vertex, 

 where they end in a low ring formed by a prominent cross-stria; 

 within this a series of low radiate bars to the micropylar rosette which 

 is elevated; cross-striic low, rounded, j'et distinct, the cell areas gently 

 concave, twice as wide as high or more. Surface subgranular sha- 

 greened; pale yellow later with a brown ring and spot; diameter 1 

 mm. Laid singl3\ 



Stage I. — Head round, bilobed, pale In-own with smoky black spots 

 on the tubercles, mouth red brown. Body moderately elongated, 

 semilooping, feet of joints 7 and 8 small, joint 12 enlarged. Cervical 

 shield pale brown; leg shields not infuscated, white; the tubercles 

 large, black; setw black, stiff, pointed. 



Stage 11. — Head bilobed, oblique, pale lutcous with distinct black 

 spots on the tubercles; width, 0.8 mm. Body rather slender, flat- 

 tened, joint 12 enlarged laterally, feet of 7 and 8 small. Clear trans- 

 lucent green without shields; a broad, waved, obscurely geminate 

 subdorsal line dividing the dorsal space into diamond-shaped green 

 marks; a broad suprastigmatal more blackish band; subventral region 

 more whitish. Tubercles round, black, distinct; setw black, pointed. 



Stage III.— Head bilobed, oblique, green, brownish on the vertex, 

 the tubercles black; width, 1.1 mm. Body soft clear green, the seg- 



