SPHECOSOMA. 91 



stripes on patagia and niesothorax and a patch on mctathorax 

 black ; legs streaked with black; abdomen with broad dorsal black 

 bands. Wings yellowish hyaline, the veins and margins narrowly 

 brown ; fore wing with the costal area yellower. 



Hab. Colombia, Cacagualito (H .H. Smith), type t S in Coll. 

 Joicey. Exp. 24 millim. 



*308/ Sphecosoma nigrifer. (Plate IV. fig. 21.) 



Sphecosoma nigrifer, Dyar, Pr. U.S. Nat. Mus. xxxviii. p. 229 (1910). 

 Sphecosoma perconstrictwm, Zerny, Iris, xxvi. p. 121 (1912). 



cS . Head and thorax yellow ; antennae, a band between their 

 bases, and the back of head black; palpi white in front ; tegulae 

 and patagia with black patches ; legs yellow ; abdomen black, the 

 tubercles with dorsal yellow patches, the 2nd segment yellow, the 

 3rd, 4th, and 5th segments with broad yellow bands. Wings 

 yellow, the veins and margins narrowly black. 



Hab. Mexico, Vera Cruz, Sta. Rosa (Scliaus) ; Ecuador, 

 Brazil, Sta. Catherina, type f S perconstrictuni in Mus. Vienna. 

 Exp. 20 millim. 



*309r/. Sphecosoma melapera. (Plate IV. fig. 25.) 



Sphecosoma melapera, Dognin, Ann. Soc. Ent. Belg. liii. p. 213 (1909). 



cS . Head yellow, a patch on vertex and the antenna} black ; 

 tegulse yellow, black at base ; patagia yellow edged with black ; 

 vertex of thorax black with paired j'ellow spots on pro- and meso- 

 t borax ; pectus yellow ; legs orange, the fore and mid tarsi black 

 above ; abdomen orange, yellow at base and below, the 1st seg- 

 ment with black bar followed by a blue-centred bar and black bars 

 on the valves, the 2nd segment with black spots, the others with 

 dm-sal black bands expanding into dorsal spots and with some 

 silvery blue on them, the ventral valve tipped with white. Fore 

 wing hyaline, the veins and margins narrowly black ; a large black 

 apical patch; a yellow streak below costa to beyond middle and 

 some yellow at base of inner margin. Hind wing hyaline, the veins 

 and margins narrowly black. 



Hab. Colombia, type t d in Coll. Dognin. Exp. 30 millim. 



*310rt. Sphecosoma aurantiipes. 



Sphecosoma aurantvi/pes, Boths. Nov. Zool. xviii. p. 25 (1913), & xx. 

 p. 471, pi. xiv. f. 7. 



S . Head white with blackish bars between antenna' and at back 

 of head; antennae black, the shaft yellow towards base and before 

 tips; thorax yellow, the tegulae black behind, the patagia edged 

 with black, the dorsum with black stripe, the mctathorax with 

 black line behind; fore and mid tarsi blackish at extremities; 

 abdomen yellow at base, the 2nd and 3rd segments rufous edged 



