
THIOSCELIS.—MOTHONICA. 153 
Fam. 6, STENOMIDAE, Meyr. 
Stenomipaz Meyr. Tr. Roy. Soc. S-Austral. 30 50 (1906). Srzvouarrpaz Wlsm. Pr. US. Nat. 
Mus. 83 214-5 (1907). 
THIOSCELIS Meyr. 
Type: Thioscelis directrix Meyr. (Meyr. 1909). 
TurosceLis Meyr. Tr. Ent. Soc. Lond. 1909 29-80 (1909). 
1. Thioscelis directrix Meyr. 
Thioscelis directrix Meyr. Tr. Ent. Soc. Lond. 1909 30 (1909) '. 
Type 3 Mus. Meyr. 
Hab. AMERICA, C-S. Central America—Costa Rica: Tuis, 1. VI. 1908 (W. 
Schaus). South America—Peru!: Pozuzo, 2500 ft.!; El Porvenir, 3000 ft.1. | 
[The specimen from Costa Rica is in the US. Nat. Mus., determined by Mr. Busck.] 
MOTHONICA, gen. nov. 
(po8wrixds= impudent.) 
Type: Mothonica periapta Wlsm. (Tab. V. fig. 20.) 
Antennae (broken); basal joint somewhat enlarged. Labial Palpi long, recurved, with appressed scales ; 
terminal joint as long as median, acute. Mawillary Palpi short, converging. Haustellum scaled at 
base. Head somewhat thickly clothed. Thorax smooth. Forewings rather narrow, elongate, costa 
slightly arched toward the base, apex angulate, termen sinuate, tornus rounded: neuration 12 veins ; 
8-9 stalked, to costa ; rest separate, 7 to termen; 2-4 approximate, 3 nearer to 4 than to 2; 1 basally 
furcate. Hindwings 1+, termen somewhat oblique, tornus rounded: neuration 8 veins; 6-7 closely 
approximate towards base; 3-4 connate, 5 closely approximate to 4. Abdomen (missing). Legs: hind 
tibiae with long hairs above. 
This genus is easily recognised by the stalking of FW: 8-9. 
1. Mothonica periapta, sp. n. (Tab. V. fig. 20.) 
Antennae, Palpi, and Head bone-white. Thorax bone-ochreous, with slight brownish fuscous sprinkling. Fore- 
wings bone-ochreous, sprinkled with brownish fuscous scales, which are chiefly distributed in horse-shvoe 
form around the outer end of the cell, reverting to costa and dorsum at or before the middle and tending 
to radiate outward on the lines of neuration; an outwardly waved series of spots lies beyond this shade, 
angulate below the costa, bowed in the middle and sloped backward to the dorsum before the tornus; 
there are two strong discal spots, one before the middle, the other at the end, of the cell, with a plical 
spot nearer to the first; also a series of six well-marked spots along the termen, at the base of the bone- 
ochreous cilia which are tipped with whitish. Zap. al. 19mm. Hindwings bone-whitish, with a slight 
brownish tinge ; cilia considerably darker along their basal half, and, as in the forewings, tipped with 
whitish. Abdomen (missing). Legs pale bone-ochreous. 
Type 2 (66076) Mus. Wlsm. (Godm-Salv. Coll.) BM. 
Hab. Costa Rica: Rio Sucio (H. Rogers). Unique. 
BIOL. CENTR.-AMER., Heter., Vol. 1V., May 1912. rv 
