Chorivalva Omelko

Lee, Sangmi & Brown, Richard L., 2008, Revision of Holarctic Teleiodini (Lepidoptera: Gelechiidae), Zootaxa 1818, pp. 1-55 : 30

Chorivalva Omelko

Chorivalva Omelko, 1988: 143 .

Type species: Chorivalva unisaccula Omelko, 1988 . Neochronistis Park, 1989: 162 .

Type species: Neochronistis hodgesi Park, 1989 , by monotypy.

Description. Imago. Forewing with tufts of raised scales; R4 and R5 stalked, R4+5 and M1 stalked, M2 and M3 separate, M3 and CuA1 stalked, CuA2 present. Hindwing with M1 absent, M2, M3, and CuA1 separate. Hair pencil present between terga II and III in male. Male tergum VIII large and triangular; sternum VIII with hair pencils.

Male genitalia: uncus truncate apically; gnathos with a median projection, about 1.5 x longer than uncus; valva with saccular part slender and as long as length of tegumen; tegumen basal width/length ratio 0.5; phallic fulcrum recurved; phallus stout, with cornutus.

Female genitalia: apophyses posteriores about 2 x length of apophyses anteriores; apophyses anteriores subequal in length with abdominal segment VIII; ductus bursae shorter than length of corpus bursae, accessory bursa without spinules; colliculum present in ductus bursa; signum absent.

Larva. Undescribed.

Pupa. Undescribed.

Diagnosis. Chorivalva species are superficially similar to Stenolechia , Stenolechiodes , Parachronistis , and Parastenolechia and are similar in male genitalia to Stenolechiodes . Chorivalva differs by the male phallus having a cornutus and the female having an accessory bursa without spinules.

Hosts. Unknown.

Diversity and distribution. The four species of Chorivalva occur in East Asia in the southern Maritime Territory of Russia and in Korea ( Elsner 1995 [1996]; Park 1994).