SYNANTHEDON. By B. Zukoavsky. 
1221 
ments yellow on the sides, the 2nd, 3rd and 4th segments with indistinct yellow rings, the anal tuft black, yellow 
below. Ventrum black, the two first segments whitish, the middle of the five following segments and the outsides 
of the last golden yellow. Legs black, mixed Avith yellow. Forewing transparent; margins, veins and discal 
vein black. Distal margin broad, straight inwardly, so that the exterior hyaline area becomes quadrangular. 
Dusted yellowish beneath. Hindwing transparent, veins black, discal vein absent. Fringes of all the wings, 
black. 12’5—15 mm. Parana. 
S. pittheis Drc. Head, thorax and antennae black, front of the head and thorax beneath yellow. Tegulae pittheis. 
black with yellow stripes. Collar yellow. Abdomen brownish black, each segment with yellow stripes, alter¬ 
nately one broader than the other. Anal tuft brownish yellow. Legs yellow. All the wings hyaline, forewing 
with a brown costal margin and apex, a black streak at the end of the cell, the veins and distal margin brownish 
yellow. 19 mm. Amazons, Ceara. 
S. peruviana Drc. Head, palpi, antennae, collar, tegulae, and thorax black. Abdomen black, the two peruviana. 
first segments dark brown. Legs pale yelloAAdsh brown. All the wings pale yellowish hyaline, veins dark brown, 
fringe brown. 25 mm. Peru, Clianchamayo, La Mercede 1000 m. Only 1 <$. 
S. guatemalena Drc. (176 c). Forewing transparent, scantily scaled yellow near the base, costal margin guatemalena. 
and apex brown. Hindwing hyaline, fringe brown; all the wings strongly iridescent. Head, palpi and antennae 
below pale yellow, above black. Abdomen black, with yellow bands, below quite yellow. Legs yellow, the 
ends of the tibiae black. 28 mm. Guatemala, San Geronimo. 
S. helena Drc. All the wings clearly hyaline, the costal and distal margins brownish black. Head, thorax Helena. 
and abdomen purple black, anal tuft orange. Antennae black from the base to the middle, then orange, the 
tips again black. The undersides of the head, thorax and abdomen as well as the legs orange. 32 mm. Mexico, 
Amula, Guerrero, 2000 m. August. 
S. setlta Drc. (176 c). Forewing hyaline, costal margin, discal mark and distal margin black; a diffuse senia. 
black spot near the apical angle in the distal hyaline area. Hindwing hyaline, fringe black, antennae, head, 
thorax and abdomen black, palpi black above, white below. Collar white. Legs black, hair-tufts on the tibiae 
of the hindlegs. 15 mm. Guatemala, Panzos. 
S. hela Drc. (176 c). Fore wing black with a very narrow hyaline spot at the end of the cell. Hindwing hela. 
hyaline with a broad black distal margin and black fringe. Head and antennae black, the latter with a narrow 
white ring near the tips. Front of thorax and the tegulae yellowish brown. Thorax, abdomen and legs dull 
black, thorax beneath yellowish. 16—18 mm. Mexico, Atoyac, Vera Cruz, April; Teapa, Tabasco, January. 
S. harti Drc. Head, antennae, collar, thorax and tegulae black, the latter edged with yellow. Palpi harti. 
black, white below. Abdomen lustrous bluish black, the base, the 2nd and 4th segments with yellow rings. 
Anal tuft bluish black. Legs black with yelloAv rings. Both wings transparent. Veins and margins quite black. 
20 mm. Trinidad (Port of Spain). 
S. sciophilaeformis Wkr. Dark purple. Head golden yellow with wdiite orbita. Palpi black, white sciophilae- 
below'. Antennae black, rust-coloured at the base, somewhat longer than the thorax which is somewdiat buff formis. 
sideways. Posterior margins of the abdominal segments and anal tuft dingy yellow. Tarsi and ends of the 
tibiae golden yellow'. Wings transparent with golden yellow veins. Forewing along the costa and the discal 
vein purple, distal area golden yellow'. 18 mm. Para. Only 1 $ known. 
S. deceptura Btlr. Wings hyaline, veins black. The costal margin of the forewing purple black, inner deceptura. 
margin, discal streak and the broad distal margin bronze brown. Hindwing with a bronze brown margin, fringe 
pale brown. Head black above, green in front, silvery white below. Palpi creamy wliite, rust-coloured toAvards 
the tips. Antennae clay-coloured with black tips. Thorax above dark green with lateral golden yelloAv streaks, 
cream-coloured below. Femora of the first pair of legs creamy, tibiae and tarsi absent, of the second and third 
pairs steel-coloured with a purple reflection, tibiae and tarsi of the second pair creamy, of the third purple blue 
with creamy bands. Abdomen dark green above and beneath, banded Avith three light golden yelloAv rings at 
equal distances, tw r o indistinct coppery bands between them, one slanting yellow' lateral stripe each at the base. 
Anal tuft broAvnish, white laterally. 16 mm. Santa Marta. 
S. porizoniformis Wkr. Purple. Head blue above, palpi w'hite below. Thorax with three Avhite stripes, porizonifor- 
pectus wdiite. Abdomen with white bands on the posterior margin of each segment, white beneath. Legs Avith m,s - 
w'hite bands. Wings transparent. ForeAving with golden yellow margins, distal area and discal band. 15 mm. 
Para, Tapajoz, Villa nova. 
S. chea Drc. Head, antennae, thorax, palpi, abdomen and anal tuft black. Legs yellow Avith black c hea. 
bands. Forewing and hindwdng hyaline, costal margin of foreAving and the veins of all the Avings black. 14 mm; 
Amazons. 
