Key to the subfamily of the family Oecophoridae

1. Forewing with veins CuA₁ and CuA₂ stalked......................................…………………………... 2

– Forewing with veins CuA₁ and CuA₂ free................................................................................3

2. Forewing with CuP very weak on anal margin; abdominal tergal setae slender, sometimes deciduous ...............................................................................................................Autostichinae

–Forewing with CuP absent; abdomen with band of spiniform setae on posterior part of terga two to six..................................................…………………………………………..... Xyloryctinae

3. Hindwing with veins Rs and M₁ separate, fore and hindwings broad, hindwing subquadrate, discal cell usually closed …....................................................……………........... Depressariinae

–Hindwing with veins Rs and M₁ stalked (rarely separate), fore and hindwings not as above, discal cell rarely open .........................................................……………………………………… 4

4. Abdominal terga with spiniform setae on posterior margin of each segment; wall of aedeagus with a ventro-distal projection, the latter sclerotized…………..........…………....Stathmopodinae

–Abdominal terga without spiniform setae in broad band when present; aedeagus not as above ........................................................................................…………………………...Oecophorinae

Key to the species of the genus Apethistis Meyrick

1. Forewing with vein Sc ending near middle of costa, vein R₄ to costa; hindwing with CuP fully developed; male genitalia with valvae large and broad, aedeagus almost straight upto 3/4th, then narrowed; female genitalia with relatively smaller ostium bursae………….insulsa Meyrick

–Forewing with vein Sc ending at 2/3rd of costa, vein R₄ to costa near apex; hindwing with CuP vestigial, visible near anal margin only; male genitalia with valvae small and broad, aedeagus slightly curved near apex, basally bulbous; female genitalia with relatively larger ostium bursae ………………………….....................................................................……………metoeca Meyrick

Key to the species of the genus Cophomantella Fletcher

1. Forewing with vein R₁ originating from center of the discal cell; male genitalia with aedeagus with one of the walls produced into a fine spine, the latter curved …….......... pumicata Meyrick

–Forewing with vein R₁ originating from much beyond middle of discal cell; male genitalia with aedeagus not as above ………………......................................................................................... 2

2. Hindwing with veins M₃+CuA₁ long stalked; male genitalia with each valva broadly tapering, saccular margin somewhat excurved in the basal half, then notched in middle; juxta plate-like, produced into knob like processes, the latter sparsely setose, gnathos relatively small, beak-like ........................................................................…………………….. juxticata Rose and Pathania

–Hindwing with veins M₃+CuA₁ short stalked; male genitalia with each valva retangular in shape, saccular margin smooth, juxta not as above, gnathos much elongated and produced into fine point apically ……………............................................................................................... 3

3. Alar expanse 16-20 mm; hindwing with discal cell closed by arched discocellulars;male genitalia with aedeagus small and broad, apex pointed, vesica lacking cornutus, coecum absent, juxta well developed, long, apically pointed ........................................lysimopa Meyrick

–Alar expanse 15mm; hindwing with cell closed by angular discocellulars; male genitalia with aedeagus long and broad, apex rounded, vesica with cornutus, coecum present, juxta reduced, apically rounded ………………….................................................. myadelpha Meyrick

Key to the species of the genus Stathomopoda Herrich-Schäffer

1. Forewing with Sc ending at 1/3rd of costa; male genitalia with sacculus apically rounded, cucullus wavy ventro-distally, aedeagus relatively long and broad, apically rounded, vesica with thin, plate-like cornutus; female genitalia with corpus bursae subovate in shape, ductus seminalis open near middle in corpus bursae ............................................... auriferella Walker

–Forewing with Sc ending at middle of costa; male genitalia with sacculus pointed apically, cucullus convex ventro-distally, aedeagus long and narrowed, apex pointed, vesica with a rod-like broad cornutus; female genitalia with corpus bursae ovate in shape, ductus seminalis open in corpus bursae near ductus bursae ......................................................... balanarcha Meyrick

Key to the genera of the subfamily Oecophorinae

1. Labial palpus three segmented; forewing with a sinuous costa and scattered tufts of raised scales; male genitalia with gnathos not well developed in respect of ventral plate ...........................................................................................................................….Tonica Walker

–Labial palpus two segmented; forewing without sinuous costa and scattered tufts of raised scales; male genitalia with gnathos well developed in respect of ventral plate ………….......................................................................................................... Periacma Meyrick

Key to the species of the genus Tonica Walker

1. Forewing with a black spot near base, one black scale streak and a small triangular spot present near middle of costa, vein Sc joined by a bar at 3/4th with discal cell, CuP visible at anal margin; male genitalia with gnathos small, sacculus with pointed apex exceeding beyond each valva, coecum absent …………………………………......................…….niviferana Walker

– Forewing maculation not as above, with only one black spot present near base of costa, vein Sc join by a bar at 4/5th with discal cell, CuP obscure; male genitalia with gnathos long, sacculus with apex not exceeding beyond each valva, coecum present …….. zizyphi Stainton

Key to the species of the genus Periacma Meyrick

1. Forewing with dark fuscous band beyond half of costa join tornus, vein R₁ arising at middle of discal cell; hindwing with vein CuP visible near anal margin; male genitalia with valva with saccular margin broad, with two processes apically, costa concave, aedeagus apex with one spine-like process distally, coecum long .................................................…circumclusa Meyrick

–Forewing with dark fuscous band near half of costa join tornus, vein R1 arising at 1/3rd of discal cell; hindwing with vein CuP visible in distal half; male genitalia with valva with saccular margin small, beset with three processes, costa slightly convex, aedeagus apex with two spine-like processes distally, one another near middle, coecum relatively smaller………………………………………………………………………………continuata Meyrick

Figure 1. Study area