Publ. 13. XI. 1936. 
SYNANTHEDON. By B. Zukowsky. 
1233 
whitish, the posterior ones with a white ring; tarsi of all the legs yellow, blackish beneath. Forewing trans¬ 
parent, margins, veins and discal mark black, beneath partly yellowish. Hindwing transparent, margins and 
veins black. Fringes of all the wings black. $: palpi whitish yellow, the 2nd joint with a black exterior line, 
the 3rd quite black. Anterior hips yellowish white, body and legs quite black. Forewing blackish bronze, 
hindwing broadly margined with black so that the greater basal part remains hyaline, divided by the relatively 
broad discal vein into a smaller area and towards the base into a larger area. 15 mm. Brazil, Caraga; the 
figured $ was taken by Dr. Seitz at Pdo Preto (Sao Paulo) on April 25th 1930. 
S. infuscata Le Cerf (176 f). Forewing above and beneath sooty black, the wedge-shaped area is merely infuscata. 
a tiny hyaline spot near the discocellular vein, distal area just as small, traversed by two veins. Hindwing 
black with larger hyaline spots, a basal larger one divided by the median vein, one beyond the cell towards 
the apex and parted by vein 5 between veins 4 and 6. Head, antennae, thorax, abdomen and legs smoke-black. 
Palpi, anterior femora, margins of the 2nd and 4th segments dingy white. 1 $. 17 mm. Argentina, Andes of 
Tucuman; December. 
S, flavostigma sj). n. (176 h). Head and antennae black. Thorax blackish brown with traces of a red- flavostigma. 
dish marking. Abdomen blackish brown. Forewing narrow, blackish brown, semihyaline at the base, at the 
cell-end a light ochreous spot on which the veins appear darker, distal area and margins blackish brown again. 
Hindwing transparent, thinly strewn with yellowish brown scales, margin black, rather broad at the apex, 
gradually diminishing outwards. Legs blackish brown, with reddish hair, especially at the ends of the joints. 
25 mm. Rio de Janeiro. 1 <$. Type: Coll. Hamburg Zool. Museum. Figured is a $ taken by Mr. W. Marten 
in Brazil. 
S. mariona Beut. (178 a). <J: head white, collar whitish grey, white beneath. Palpi white. Antennae mariona. 
blackish green. Thorax blackish green with a very broad red lateral line extending to the base of the wing. 
Abdomen and anal tuft metallic blackish green. Legs the same, anterior coxae white. Forewing metallic 
blackish green with a broad red inner-marginal line vanishing outwards, costal margin dingy white. Hindwing 
brown with a violet reflection, the central part with two hyaline areas, the upper one traversed by the cross¬ 
vein. 17—20 mm. Described according to 3 <$ and early stages unknown. Trimble and Pagossa Springs, 
Durango, Colorado; July. 
S. sanborni Hy. Edw. (178 b). Head dull brown. Palpi white, the 3rd joint black. Thorax and abdomen saribomi. 
dull bronze brown, the abdomen with narrow pale yellow bands above on the 2nd and 4th segments. Anal 
tuft pointed. Legs bronze brown. Forewing dull bronze brown, distal area with a white spot crossed by 3 or 4 
dark veins. Hindwing transparent, margins and fringe violettish brown. 19 mm. Massachusetts. Only $2 
known. 
S. ruficornis Hy. Edw. (= minuta Hy. Edw.) (178 b). Head and thorax violettish black. Palpi yellow, ruficornis. 
Collar yellow in front, patagia yellow behind. Antennae violettish black, reddish below. Abdomen violettish 
black with narrow yellow' bands on the 2nd, 4th and last segments. Anal tuft broad, brush-like. Legs violettish 
black with yellow rings. Forewing violettish black with traces of red in the cell and in the distal area behind 
the cross-vein, very distinct in the $, beneath as above. Hindwing transparent, margin and veins violettish 
black. 10—-14 mm. This very small species was hitherto only found in Georgia and Alabama (Southern States). 
S. subaerea Hy.Ediv. (178 b). Head and thorax deep brown, thorax behind with a yellow marking, subaerea. 
Antennae with a pale yellow band before the end. Palpi yellowish. Abdomen brown strewn with yellow scales, 
and with traces of bands on the 4th, 5th, 6th and 7th segments. Anal tuft brown and yellow. Forewing purple 
brown strewn with yellow scales. Hindwing purple brown, hyaline at the base; all the wings beneath strewn 
with yellow. 14 mm. Apparently only 1 £ known. Arizona. 
S. nigra Beut. (178 b). Head black, face dingy white. Palpi white, blackish outside. Collar in front nigra. 
dingy white. Antennae and thorax black, patagia feebly marked white. Abdomen black with posterior whitish 
margins on the 2nd, 4th and last segments, the 4th being broadest and extending around the abdomen. Anal 
tuft black. Legs black, anterior coxae marked with white, posterior tibiae with a white band. Forewing black 
with a light streak in the cell and a few whitish streaks between the veins of the distal area; beneath yellow 
along the costa. Hindwing black, slightly hyaline at the base. 14 mm. Colorado, Utah. Only $$ are known. 
S. verecunda Hy. Edw. (178 b). Head black with dingy yellowish hair. Collar white. Antennae black, verecunda. 
yellowish below. Palpi white. Thorax black with a dingy yellow line on the sides, and with a white spot 
beneath on each side. Abdomen black with dingy white bands on the 4th and last segments. Legs black, femora 
with little white. Forewing brownish black; lighter, almost whitish, at the inner margin, in the cell and be¬ 
tween the veins of the distal margin. Hindwing quite brown, somewhat lighter at the upper basal part. 19 mm. 
Colorado. The B > s still unknown. 
S. polygoni Hy. Edw. (= meadii Hy. Edw.) (178 b, c). <$: head and collar black. Palpi scarlet, black polygoni. 
outside. Thorax black with a blue reflection, patagia behind feebly-reddish, beneath with a red spot on each 
VI 155 
