LEPIDOPTERA HETEROCERA. 



137 



d. Tip of the discal areolet not clouded. 



e. Thorax black. 



f. Fore wings almost limpid, black along 



the hiud border. tristissima. 



f f. Fore wings gray. Bibia. 



ee. Thorax luteous. 



f. Abdomen with a gray stripe. afflicta. 

 f f. Abdomen without stripes. 



g. Fore wings almost limpid. notabilis. 

 gg. Fore wings dark gray. metamelas. 



eee. Thorax with crimson dots. trigutta. 



f. Tip of the discal areolet clouded. 



g. Fore wings with a red spot at the base albisigna. 

 gg. Fore wings with no red spots. 



h. Tip of the abdomen red. erythrotelus. 



hh. Tip of the abdomen not red. 



i. Abdomen with a red spot at the base. 



j. Hind wings whitish. haematica. 



jj. Hind wings grayish-hyaline. dolens. 



ii. Abdomen with a row of spots. subaurata. 



con finis, 

 iii. Hind wings with cupreous bands. tenebrosa. 



cc. Veins of the wings not hairy. 



d. Fore wings much narrower towards the 



tips. Sesiiformis. 



dd. Fore wings slightly narrower towards the 

 tips. 



e. Abdomen elliptical. 



f. Discal areolet not clouded, 

 f f. Discal areolet with a blue mark at the tip. 



fff. Discal areolet with a black mark at the 

 tip. 

 g. Abdomen white at the base. completa. 



gg. Abdomen not white at the base. Taunus. 



ee. Abdomen linear, or nearly so. 



f. Abdomen without tufts of hair on each 



side at the tip. 



g. Discal areolet without spots or bands at 



the tip. 

 h. Abdomen with two rows of yellow spots, 

 i. Antennae black with luteous tips. incendiaria. 



ii. Antennae luteous. vespoides. 



hh. Abdomen without yellow spots. 

 i. Antennae luteous. 



xanthogastra. 

 gemmifera. 



n3 



