143 



segment of antennae fnscous, except the extreme base. 

 Rounded, very convex above, flat or concave beneath. Head 

 almost perpendicular. Antennae composed of four segments, 

 the first not reaching to the apex of the head, the second one- 

 half longer than the third and equal to the fourth. Labium 

 reaching to the middle of the abdomen, long and stout. 



Second and third instars very similar to the first. 



Fourth instar Head and nota blackish brown, inclining to 

 bronzy in large part ; anterior half of tylus, lateral margins of 

 juga, antennae, lateral margins of pronotum (except basally), 

 and meson otum, some marks on head and nota, etc., pale san- 

 guineous, the antennae more or less fuscous in parts. Tergites 

 creamy (with black marks on the lateral margins) variegated 

 with sanguinescent, odoriferous flaps bronzy. Beneath pale, 

 partly sanguineous, lateral margins more or less marked with 

 blackish. Femora, tibiae and tarsi sanguineous, the femora 

 speckled and lined (sparsely), the tibiae apically and basally, 

 the apex of the apical segment of the tarsi, blackish-brown. 

 Juga extending apically a little farther than the tylus, which 

 is equally wide throughout, otherwise as in adult; feebly 

 rastrate. First segment of antennae scarcely reaching to the 

 apex of the juga, second about 3| times as long as the first and 

 about one-third longer than the third, which is subequal to the 

 fourth. Labium reaching to the hind coxae, originating as in 

 the adult. Tarsi all bisegmentate, the second segment longer 

 than the first. Lateral margins of pronotum laminate, min- 

 utely crenulate all along. Three odoriferous flaps, none 

 paired. 



Fifth instar is like the 4th, but more purplish-bronzy. The 

 tylus more pointed apically. Blackish brown, bronzed on head, 

 nota,flaps, etc., antennae blackish-brown, apical half of second 

 segment reddish. Lateral margins of nota narrowly yellowish. 

 Labium pale. A reddish black annulus on the hind tibia. 

 Second segment of antennae somewhat obliquely flattened, four 

 times as long as the fouth and about one-half longer than the 

 third, which is equal to the fourth. Second segment of labuim 

 two-sevenths longer than the first, one-half longer than the 

 third and a trifle longer than the fourth, the first scarcely 

 reaching beyond the middle of the gula, the second not reaching 

 the apical margin of the prosternum, the third reaching the 

 middle of the mesosternum and the fourth the base of the hind 

 coxae. Lateral margins of pronotum widely reflexed anteri- 

 orly, sinuate and minutely crenulate, anterolateral angles rec- 

 tangular. 



