SAURITA. SCENA. 281 



Echoneura catastibina, Butl. Jo urn. Linn. Soc, Zool. xii. p. 384 (1876) ; 

 Kirby, Cat. Het. p. 137. 



S . Black ; vertex of head with two blue spots ; abdomen with 

 dorsal blue point on 1st segment ; both wings with hyaline streaks 

 in and below cell; cilia whitish. Underside suffused with white 

 except towards costa of fore wing. Hind wing with veins 2 and 4 

 shortly stalked, 3 absent. 



2 . Extremity of abdomen with some blue scales ; both wings 

 with hyaline streaks in interspaces beyond the cell ; cilia and under- 

 side black. 



Ab. 1. angusta : fore wing without hyaline streaks beyond the 

 cell between veins 5 and 6 ; hind wing without hyaline streak 

 above the discal fold. 



Hah. Brazil, Espiritu Santo, type angusta-, Rio Janeiro, types 

 intricata and catastibina. Ea^p., ^ 84, 2 ^8 millim. 



622. Saurita tipulina. 



Glaucopis tipulina, Hiibn. Samml. Ex. Schmett. i. (1827) ; Butl. 111. Het. 



i. p. 29, pi. 7. f. 7 ; Druce, Biol. Oentr.-Am., Het. i. p. 57 ; Kirby, Oat. 



Het. p. 138. 

 Glaucopis bibia, Wlk. i. 143 (1854). 



Head, thorax, and abdomen black ; head and prothorax irrorated 

 with a few metallic green scales. Fore wing semihyaline fuscous ; 

 the base irrorated with a few metallic green scales ; the veins, 

 streaks in cell and submedian interspaces, and the inner margin 

 rather broadly black. Hind wing fuscous hyaline ; the veins, inner 

 area, and margin black ; veins 2 and 4 from cell, 3 present. 



Hah. Guatemala; Panama, Chiriqui, Godman-Salvin Coll.; 

 Brazil, Sta. Catharina, Espiritu Santo, Para {Bates), type hihia. 

 Ex'p. 26 millim. 



Genus SCENA. ^ 



Type. 



8cena,W\\. i. 263 (1854) styx. 



Proboscis fully developed ; palpi upturned and reaching vertex of head : 

 antennas bipectinate, with moderate branches dilated at extremity; thorax 

 thickly clothed with woolly hair ; tibiiB with the spurs moderate ; abdomen 

 clothed with woolly hair ; a ventral valve in male covering basal segments. 

 Fore wing long and narrow, the costa arched towards apex ; vein 3 from before 

 angle of cell ; 4, 5 from angle , 6 from upper angle ; 7, 8, 9 stalked ; 10, 11 from 

 cell. Hind wing with the cell normal ; veins 2 and 4 from angle or stalked ; 

 3 and 5 absent ; 6, 7 from upper angle. 



Sect. I. Hind wing with veins 2 and 4 stalked. 



623. Scena potentia. 



Chloropsinus potentia, Druce, A. M. N. H. (G) xiii. p. 171 (1894) ; Biol. 

 Centr.-Am., Het. ii. p. 351, pi. 72. f. 12. 



S . Fuscous with a blue-grey tinge ; antennae white at tips ; 



