22 



found in cane fields along with the army worm. Brother 

 Matthias Newell of Hilo has reared them on orange leaves, 

 from an egg mass found on an orange leaf. They also feed 

 u])on some common weeds. I have found them quite numerous 

 on "pualcio" ( No/(r/n/.v), and occasionally on "kikania" {Da- 

 tura), Xanthiain and purslane. They often remain feeding 

 on the plants in daytime. 



LIFE HISTORY. 



The eggs are deposited in regular masses, often in regular 

 I'ows on the surface of leaves or twigs, usually a large number 

 in a mass, often several hundred. The egg is about .6 mm., 

 hemispherical, flattened on the surface in contact with the leaf 

 cr twig. It is radiately ribbed from the upper pole, and has 

 minute cross ribs between these. The young larvae are green 

 with black heads. They molt five times before attaining their 

 full groAvth, which takes about a month or a little more. 



The full-grown caterpillar (Plate III, fig. 2) is about 1.75 

 inches (40-45 mm.). It varies much in color. J lead pale 

 brown, reticulate with dark brown, a slight line upward from 

 eyes, two curved vertical broad dark bands in front. Body 

 brown, more or less generally mottled with darker and lighter 

 brown and some yellowish; dorsal line pale yellowish often 

 broken into a series of yellowish patches on segments 4-7, 

 (sometiines on segments ;M)) ; segment 12 mostly yellow dor- 

 sally on posterior part; a yellowish line below the spiracles, 

 which are black. Tul)ercles and hairs very minute. In darker 

 forms the browns are nearly black. There is a more or less 

 irregularly interrupted blackish streak just above the line of 

 spiracles. • A sub-dorsal line consisting of blackish spots on 

 each segment. On several of the segments there is a dorsal 

 lozenge-shaped spot slightly darker than the general color, but 

 not so dark as the blackish stripes. A blackish s})ot on outer 

 side of each proleg. 



The pupa is formed in the ground a few inchi's below the 

 surface, or beneath trash. It is 19 mm. in length, and of a 

 uniform medium brown color, its ajx^x armed with two spines 

 very close together, the basal half of each spine black, the tips 

 white. The moth a|)pears in two or three weeks. 



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