THE CANADIAN ENTOMOLOGIST. 65 



PREPARATORY STAGES OF LAPHYGMA FLAVIMACULATA, 

 HARV., AND OTHER NOTES. 



BY HARRISON G. DYAR, NEW YORK. 



Laphygma flavimaculata, Harvey. 



Determined by Prof. J. B. Smith. Eggs of this species occurred to me 

 in the Hawaiian Islands at Kaawaloa, Kona, Hawaii and at Honohilu, 

 Oahu. 



Egg. — Nearly spherical, flattened at base, densely striated vertically ; 

 of a flesh-coloured tint, and covered with gray down ; diameter, 0.6 mm. 

 Deposited in a large mass on a grass stem. 



First stage. — Head rounded, slightly bilobed, shining black, labrum 

 whitish ; width, 0.3 mm. Body small, the feet perfectly normal, the 

 thoracic ones black, the others whitish like the body. Warts arranged 

 much as in Arctia, concolorous with the body, inconspicuous, each with 

 a single stiff black hair. Larva walks rapidly, With a slightly geometri- 

 form motion. 



Second stage. — Head shining blackish-brown, much palei^ in front 

 over the clypeus and mouth ; width 0.55, mm. Body enlarged at joint 

 12 ; bluish green, the tubercles distinct, black, each with a black seta. 

 Dorsal, subdorsal and lateral whitish lines, distinct, even ; subventral 

 space whitish, but with no distinct line. Feet normal, all pale, the thoracic 

 ones slightly testaceous. Cervical shield largely shaded with black or 

 brown. 



Third stage. — Head dark brown, nearly black, shining ; a paler stripe 

 over the ocelli ; a few hairs ; width, 0.8 mm. Body blackish-green; dis- 

 tinct dorsal, subdorsal and lateral pale green lines, the lateral one narrower 

 than the others. Subventral space and venter pale, defined above by a 

 pale green subventral band, which contrasts with the dark colour of the 

 dorsum, but is only a shade lighter than the venter. Piliferous dots 

 black, distinct, each with a minute black seta. 



Fourth stage. — Head entirely black ; width, r.2 mm. Body velvety 

 black, green centrally on the venter, with very narrow, broken, double 

 dorsal, single subdorsal and lateral, and broad, greenish-white subventral 

 lines, the latter not reaching to the last segment. Set?e short, black, the 

 dots no longer distinguishable. Feet pale green, tipped with blackish. 

 Spiracles white. The larva curls spirally when at rest. 



Fifth stage. — Head shining black, a little mottled with pale brown on 

 the sides ; width, 1.8 mm. Body deep sooty black; the space between 



