SYNANTHEDON. By B. Zukowsky. 
1223 
a broad yellow band in the middle. Thorax in front with a yellow marking on each side. Posterior margins 
of the abdominal segments and underside yellow. Anal tuft with a few yellow hairs. Legs yellow, end of the 
tibiae and at the joint at the tarsi purple. 13—14 nun. Villa nova. Only <$<$. 
S. croesiformis Wkr. Abdomen purple black, strong; face silvery. Palpi whitish with black tips, erect, rroesiformis. 
Antennae longer than the thorax, rust-coloured below. Abdomen with a narrow whitish band on the posterior 
margin of the 4th segment. Legs dark blue, tibiae and tarsi sometimes coppery; tibiae, especially the hind 
tibiae, very strongly ciliated. Anal tuft interspersed with red. Wings transparent, costa and fringes coppery, 
cj 14—15 mm. Para, Villa nova. 
S. cladiiformis Wkr. Blackish blue, robust. Head silvery on each side and with white hair behind. cladUformis 
Antennae rust-coloured, black towards the end, slightly longer than the thorax. Abdomen with a white hair- 
tuft on each side at the base, only somewhat longer than the thorax. Anal tuft with a few white hairs. Legs 
strong, tibiae and tarsi whitish, lustrous below. Forewing transparent, veins black, dingy yellow from the 
base to the discal vein, fringe short; hindwing transparent. $ 14—15 mm. Santarem. 
S. eeropalifonnis Wkr. Blackish. Head white in front. Palpi not very long, whitish like the chest, ceropalifor- 
Antennae bristle-shaped, densely pectinated. Abdomen rusty brown, anal tuft short. Legs rusty brown, mis - 
anterior femora whitish, hind tibiae very thickly ciliated. Forewing transparent, rusty brown along the costa; 
hindwing transparent. $ 14 15 mm. Para, Villa nova. 
S. cerceriformis Wkr. Purple. Head black, face silvery, with yellowish hah’ behind. Palpi yellow, cercerifor- 
Thorax blue, pectus silvery. Posterior margins of of the abdominal segments yellow, anal tuft dingy yellow mts - 
with a few brown hairs. Legs ochreous, coxa and femora yellow. Forewing transparent, purple along the 
costa, like the discal vein which is still edged with yellow, distal area with yellow streaks, fringe rather long 
and yellow; hindwing transparent. 15 mm. Para. 
S. panisciformis Wkr. Dingy yellow. Head in front white on each side, vertex dark green. Antennae paniscifor- 
black, filiform, brownish yellow and rough below. Thorax dark green. Abdomen dark green, especially at mxs ‘ 
the base and towards the apex, anal tuft composed of long partly black hair. Wings transparent. Forewing 
with the usual transverse band and margins brownish yellow, very narrow. <$ 18—20 mm. Valley of the 
Amazon R. 
S„ hippolyte Drc. (176 d). Forewing yellowish hyaline, veins black, apex and distal margin golden hippolyte. 
brown; hindwing hyaline, fringes of all the wings black. Head, thorax and abdomen black, base of thorax 
and anal tuft yellow. Legs black with yellow bands. Antennae black. 26 mm. Mexico, Cuernavaca, Morelos; 
June. 
S. dinetiformis Wkr. Brownish yellow. Face white, palpi yellow. Antennae black, rust-coloured below, dinetiformis. 
Thorax with a black dorsal stripe, yellowish laterally, posterior margins of the abdominal segments yellow. 
Anal tuft moderately long. Legs yellowish. Wings transparent with a purple lustre and coppery black fringes. 
Forewing with a rust-coloured line above the discal vein. 16—18 mm. Pernambuco. 
S. armasata Drc. (176 d). All the wings transparent with a yellowish reflection, the costal, distal and armasata. 
inner margins of the forewing scaled yellowish brown, the veins and fringes of both wings darker brown. Wings 
beneath light yellow. Palpi and face yellow, antennae dark brown, yellow at the base. Thorax and abdomen 
blackish brown with a yellow line at the base of the abdomen. Anal tuft yellowish brown. Legs orange with 
black bands. 37 mm. Mexico, Durango. 
S. hermione Drc. (176 d). Forewing hyaline, yellowish at the inner margin, shaded, costal and distal hermione. 
margins yellowish brown. Hindwing hyaline, the fringes of all the wings brown. Thorax and abdomen black, 
collar and tegnlae yellow, abdomen with yellow 7 bands. Antennae black, broadly yellowish brown before the 
tips. Legs yellow' with black bands. 25 mm. Mexico, Teapa, Tabasco, Atoyac, VeraCruz; February—May. 
S. corporalis Meyr. Head deep blue, orbita white, collar pale yellow. Palpi whitish. Thorax dark corporalis. 
blue, the inner margin of the tegnlae yellowish. Abdomen deep blue, the 3rd and 5th segments with indistinct 
yellow posterior rings, anal tuft deep purple mixed with white. Forewing hyaline, iridescent, costal margin, 
a moderately broad distal margin, discal vein and veins dark purple blue, anal margin with traces of yellow, 
fringe dark grey. Hindwing iridescent-hyaline, veins and margins black, costal margin yellow, fringe dark 
grey. 17 mm. Taperinha; July. <J. 
S. aequalis Wkr. Brownish black. Eyes edged with white. Palpi yellow with a coppery brown streak aequalis. 
outside, white below, the 3rd joint pointed, half as long as the 2nd. Antennae gradually thickening, yellow 
before the tips below. Thorax with a yellow spot in front, laterally striped yellow 7 . Pectus silvery, with a yelloAV 
spot on each side. Abdomen tapering, yellow in front, with narrow yellow bands on the posterior margins of 
all the segments. Anal tuft greenish black, half as long as the abdomen, yellow laterally, yellow 7 below at the 
end. Legs yellow 7 . Forewing transparent, fringe purple, costa, transverse line and distal margin purple. Hind- 
wdng transparent, fringe purple, rj 20 mm. Para. 
