88 INSECUTOR INSCITI^ MENSTRUUS 



Zetesima theobromae, new species. 



Labial palpi white, second joint shaded with brownish fus- 

 cous exteriorly ; terminal joint with a narrow black annulation 

 around base and another broader one just before apex. Face 

 white. Head brownish fuscous. Thorax brownish fuscous 

 with small white posterior tuft. Forewings with basal half of 

 costa greatly extended but not turned into a fold as in the 

 other species of the genus, apical half thereby sharply deflected 

 toward apex ; light ochreous irregularly mottled with fuscous, 

 black and white scales ; a small white dot on the middle of the 

 cell ; two similar dots at the end of the cell and one below these 

 on the fold. Hindwings blackish fuscous nearly black with 

 lighter cilia and with costal edge whitish. Abdomen dark fus- 

 cous above, underside white, anal tuft ochreous. Legs whitish 

 with black tarsal annulations. Venation typical, forewings 

 with 2, 3 and 4 stalked, rest separate; hindwings 8 veins, 3 

 and 4 stalked. 



Alar expanse : 14 mm. 



Food plant : Cacao. 



Habitat: Paramaribo, Dutch Guiana (A. Reyne). 



U. S. N. M., Type No. 22324. 



According to Mr. Reyne the caterpillars spin two cacao 

 leaves together (but the leaves remain flat without curling in 

 folding) and eat the soft parts, leaving the veins. The cater- 

 pillars move strongly if disturbed. Often many of the older 

 leaves are skeletonized by them. Pupa in the same place ; 

 pupal stage 10 days. The mature caterpillar is 14 mm. long. 

 Head light reddish yellow with a broad lateral longitudinal line 

 of black, which includes the eyes ; mouth-parts black. Thoracic 

 shield inconspicuous in color, only slightly darker around the 

 edges than the rest of the body, rectangular with central suture 

 thin, whitish. Body dark brownish fuscous with small black- 

 ish brown tubercles and long whitish setse ; only tubercles 1 on 

 second and third thoracic segments are larger, conspicuous dark 

 brown ; all setse are long but seta 5 more especially so on all 

 joints, longer than half the width of the body ; thoracic feet 



