172 SYNTOMID^. 



341. Isanthrene cra'broniformis. 



Isanthrene crabroniformis, Staud. Verh. zool.-bot. Ges. Wien, xxv. p. 120 

 (1875) ; Druce, Biol. Centr.-Am., Het. i. p. 51, pi. 6. f. 23 ; Kirby, Cat. 

 Het. p. 132. 



S . Palpi and antenuge scarlet, the latter with some black on 

 upperside of shaft ; head yellow and black ; thorax black, with 

 )'eUow patches on tegulae, patagia, meso- and metathorax, and at 

 sides ; legs scarlet, the coxae white ; abdomen blue-black, with sub- 

 dorsal and lateral series of yellow spots on first four segments, the 

 dorsal pair almost united on 1st segment ; a ventral series of white 

 spots on medial segments ; wings hyaline yellow, the veins and 

 margins black. Fore wing with the terminal band expanding on 

 apical area. Hind wing with the inner area black, the margin 

 itself yellow. 



5 . Coxae yellow. 



Hab. Panama, Chiriqui, Bugaba (Champion), Godman-Salvin Coll., 

 Taboga {Mathew) ; Colombia, Bogota {BucMey). Exp. 50 millim. 



* 342. Isanthrene thyestes. 



Isanthrene thyestes, Druce, P.Z.S. 1883, p. 374, pi. 39. f . 4 ; Kirby, Oat. 

 Het. p. 131. 



S . Head orange, with black bar on vertex •, palpi and antennas 

 crimson ; thorax orange, the tegulae and patagia edged with black ; 

 legs crimson, the tarsi black towards extremity ; abdomen orange, 

 the terminal segments crimson, the 2nd and terminal segments 

 with black bands, the others with slight segmental lines ; ventral 

 surface crimson ; wings yellowish hyaline, the veins and margins 

 black. Fore wing with slight orange streaks above base of inner 

 margin ; the terminal black band expanding towards apex. Hind 

 wing with the cell black. 



Hab. Ecuador, St. Lucia ( Wolf), typet in Coll. Druce. Exp. 

 50 millim. 



343. Isanthrene ustrina. 



Isanthrene ustrina, Hiibn. Zutr. Ex. Schmett. iii. p. 25, ff. 493, 494 (1825) ; 

 Kirby, Cat. Het. p. 132. 



(J . Head, thorax, and abdomen black ; the shoulders, patagia, 

 and metathorax spotted with yellow ; tibiae except at base and 

 tarsi crimson ; coxa3 white ; abdomen with two pairs of yellow 

 spots on first two segments, then subdorsal and sublateral series ; 

 wings hyaline, the veins and margins black. Fore wing with 

 discocellular black lunule, the terminal band expanding greatly on 

 apical area. Hind wing with the terminal band expanding slightly 

 towards apex and tornus. 



2 . Coxae black. 



Nab. Cuba ; Brazil, 2 c? 1 ? . Evp., 6 50, 2 60 millim. 



