Dysoptus probata Walsingham 1914

Dysoptus probata Walsingham

Dysoptus probata Walsingham, 1914:374.—Fletcher, 1929:72.—Becker, 1984:194.—Davis, 1984:21.—Nye and Fletcher, 1991:101.

MALE.—Unknown.

FEMALE (Figure 110).—Forewing length 8.0 mm.

Head: Vestiture uniformly yellowish brown and smooth except for a small lateral pair of occipital tufts. Antenna 41-segmented, ∼0.4 × length of forewing; scape brown dorsally, paler, more yellowish brown ventrally; flagellum covered with smooth, pale brown scales dorsally to apex; venter naked, densely pubescent; each segment bearing a sublamellate process ventrally, decreasing in size to apical segment. Maxillary palpus pale brown, greatly reduced to 1 or 2 globose segments. Labial palpus evenly curved dorsally almost to top of eye; mostly yellowish brown, except for fuscous suffusion on dorsum of segments 1 and 2.

Thorax: Dorsum dark brown with a slight purple luster; venter yellowish brown. Forewing dark brown with a slight purple luster and several small, scattered, pale yellow spots, including a more prominent, pale yellow spot at basal one-third and distal one-third of costa and a somewhat larger spot near apex of discal cell; a very small subapical spot near R4; termen with a large, pale yellow spot extending mostly through fringe. Hindwing similar in color to forewing, but slightly paler and more uniform. Foreleg pale brown dorsally, yellowish brown to cream ventrally, without tarsal banding; epiphysis present. Mid- and hindlegs missing.

Abdomen: Vestiture not examined; a pair of short coremata arising from A7.

Genitalia (Figures 244, 245): Lamella postvaginalis connate, projecting caudally well beyond caudal margin of lamella antevaginalis. Antrum a sclerotized tube slightly longer than anterior apophyses, gradually narrowing to a short, moderately inflated, minutely wrinkled, strongly curved duct that then constricts and continues anteriorly as a slender membranous tube to elongate, oval, membranous corpus bursae; junction of ductus spermathecae near middle immediately anterior to moderately inflated region of ductus bursae.

HOLOTYPE (Figure 110).—GUATEMALA: QUEZALTENANGO: Cerro Zunil, 4000–5000 ft [1220–1524 m], , 1890, G.C. Champion, slide BM 12110 (BMNH).

FLIGHT PERIOD.—Unknown.

DISTRIBUTION (Map 5).—Known only from the type locality in southwestern Guatemala.

Dysoptus probata is a species of moth in the family Arrhenophanidae. It is known only from the type locality in south-western Guatemala.

The length of the forewings is about 8 mm for females.