Key to Species 

 Full-grown larva 



1 (2). Head and thoracic sclerites with distinct pattern of numerous dots; 



dark dorsal and ventral stripes present; gula light, slightly narrower 

 posteriorly 1. T.bicolor Curt. (p. 601) 



2 (1). Head pattern less distinct, dots less numerous; dorsal and ventral 



stripes absent; pronotum and mesonotum with pale, indistinct 

 pattern. 



3 (4). Gula markedly tapering posteriorly 



2. T.conspersus Ramb. (p, 607) 



4 (3). Gula almost uniformly wide, rectangular, dark 



3. Triaenodes sp. (p. 609) 



Pupa 



(2). Apical part of anal rod distinctly differentiated from basal part, and 

 with sharply narrowed apex 1. T.bicolor Curt. (p. 601 ) 



(1). Basal and apical parts of anal rod little differentiated, rod gradually 

 tapering posteriorly 2. T.conspersus Ramb. (p. 607) 



1. Triaenodes bicolor Curtis 



Reaumur, 1737:177, Figures 6, 8, 10.— Hagen, 1864:133, 233.— McLachlan, 

 1874—1880:321.— Klapalek, 1888:45—48, Figure 16.— Lampert, 1900:204—205, 

 Figure 80.— Struck, 1900:Figure 42; 1903:Plate III, Figure 10.— Ulmer, 

 1903:107, Figures 31, 68.— Thienemann, 1905b:534— 535. — Siltala, 1905:74—77, 

 Figure 19; 1907:472— 479. — Ulmer, 1909 :249, 310, Figures 374a, e.— 

 Lestage, 1921 :623— 631, Figure 212.— Lepneva, 1940:211, Figure 4.— Hickin, 

 1942:12— 13, Figures 1—8. 



Full-grown larva. Length 8.5— 13.0 mm. Main color of head ocher yellow 

 (Figure 772, A). Frontoclypeus slightly darker near margin with 3 pairs of 

 dark dots anteriorly, those of middle pair more widely separated than others; 

 posterior part with a transverse row of 4 dots, another dot before the row. 

 Dorsal stripes narrow, extending posteriorly along coronal suture, with 3 

 large, and several, small dots; 4 large dots along coronal suture. Ventral 

 surface with wide, dark, longitudinal stripes, a group of large dots behind 

 stripes (Figure 772, B). Antenna long (Figure 772, C). Gula light, with 

 smoke brown transverse stripe at anterior margin, with dark lateral streaks 

 posteriorly. 



Setae light brown or yellow; seta 9 at anterior end of dorsal stripe, 

 long; seta 11 situated slightly posteriorly, short, thin; seta 10 situated lateral 

 to eye, moderately long; seta 7 similar, situated at anterior margin; seta 

 12 large, situated in middle, behind eye; seta 14 long, situated medial to 12; 

 setae 13 and 15 situated posteriorly, 13 short, 15 moderately long; seta 16 

 short, light, curved inward; seta 17 moderately long situated at level of 

 posterior angle. Ventral side: seta 8 short, situated near anterior margin; 

 seta 18 small, light, situated lateral to gula. 



601 



