Tetramoera Diakonoff
Type species: schistaceana Snellen
DIAGNOSIS
External characters:
Venation:
venation T. schistaceana
Forewing: All veins are separate; chorda and M -stem present.
Hindwing: M 3 and CuA 1 connate, R and M 1 in close proximity basally.
Forewing shape and markings:
Tetramoera schistaceana adults
Forewing elongate, with numerous longitudinal lines.
Additional characters:
Antenna in male slightly thickened, serrulate except along basal fifth, minutely pubescent.
Genitalia:
Male:
male genitalia T. schistaceana
Tegumen slender and elongate; uncus band-like, curved, crowned with two long, divergent pencils of hairs. Vinculum depressed. Valva deeply cleft into an oval and hairy sacculus and a more or less hooked and ventro-laterally dilated, rather rigid cucullus. Aedeagus large, gradually attenuated. Cornutus, a long spine.
Female:
female gen. T. schistaceana
Sterigma little modified, lamella antevaginalis being a slender crescentic sclerite and lamella postvaginalis a weak and broad transverse band, rounded at the sides and broadly excised in middle of lower edge. Ductus bursae rather long, gradually dilated. Corpus bursae ovoid, with a finely punctulate wall; only one signum present, with well-defined edges and a small, central, hollow spine.
Early stages:
Chaetotaxy larvae unknown.
Larvae of schistaceana are up to 20 mm long; the head is yellowish brown to reddish brown or dark brown, with a small blackish streak near stemmata; the thoracic shield is slightly paler than the head, the body is greyish yellow, more reddish brown dorsally, and the anal shield is brownish yellow.
Biology:
Larvae of schistaceana are stemborers of sugar cane.
Distribution:
schistaceana : Indoneasia (Java), China (Guangdong), Taiwan, Malaysia, the Philippines, Mauritius, Madagascar, Réunion, Hawaii.
isogramma : Sri Lanka, South Africa.