236 Journal New York Entomological Society. [VoI. vn. 



absent ; three tubercles on the mesothoracic segment. Primitive first 

 stage present : tubercles I and II completely united. 



Type I. — Three tubercles on last two thoracic segments ; subdorsal horns of joints 4 

 to 12 functional, the rest and the lateral horns reduced ; horns deciduous. 

 Horns irregular at maturity ; setae of many kinds ; color dead-leaf brown. 



Phobetron pitheciutn. 



Horns regular at maturity ; setre of several kinds ; color green.* (Plate \'I, fig. 



6 D, upper. ) Isochsetes beutenmulleri. 



Type la. — Only two tubercles on the last thoracic segment ; subdorsal horns of joints 

 3 to 13 functional, the laterals reduced to hairless papillre ; horns not normally 

 deciduous, but detachable. 

 Horns regular at maturity ; setse of several kinds ; color green with red marks.* 



(Plate VI, fig. 6 D, lower.) Alarodia slossonise. 



Section 2. (Tropic spined Eucleids. ) — Larvae spiny ; subventral 

 space reduced ; tubercles horn -like, firmly attached and never decid- 

 uous, of varying length, bearing stinging spinules ; spiracle on joint 

 5 moved upward, the lateral tubercle jof this joint absent; only two 

 tubercles on the thoracic segments. No priniitive first stage ; the 

 horns with several non-spinous setae in stage I. 



Type 2. — More than three setffi on the horns in stage I or on some of them ; horns 

 subequal, short ; no detachable spinules at maturity. 

 Shape normal ; subdorsal horns bent outward, but erectile ; skin granular at 

 maturity ; green, horns red tipped, dorsum and sides marked with irregular 



yellow lines Nadata nasoni. 



Shape flattened, dorsal space reduced ; subdorsal horns shortened, slender, non- 

 functional ; skin marked with waved ridges ; green with yellow subdorsal lines 



and a few small red dots centrally Sisy rosea textula. 



Type J. — Only three setae on each horn in stage I ; subdorsal horns prominent, dis- 

 tinctly unequal ; detachable spinules, at least the " caltropes " always present 

 at maturity. 

 Horn of joint 8 longer than the adjoining ones in stage 1 and often throughout 

 all the stages. 

 Without patches of detachable spines between the terminal horns. 

 Subdorsal horns of joint 13 separate ; horns normal. 

 Red or yellow with purple and white lines. 



Euclea indetermina. 

 Green, subdorsal band yellow ; dorsum with a broad purple band, 

 irregularly five times widened ; terminal horns short. 



Adoneta spinuloides. 



Green, subdorsal band yellow ; dorsum with a broad purple band, 

 irregularly five times widened; terminal horns long. (Plate 

 VI, fig. 6 R.)t 



*This species does not occur in New York. 

 "f Supposed to be Monoleiica setnifascia. 



