Argyrestia communana Moriuti, 1969

Gershenson, Z. S., 2016, New Records Of Yponomeutoid Moths (Lepidoptera, Yponomeutidae, Argyresthiidae, Ypsolophidae, Plutellidae) From The Palaearctic Region, Vestnik Zoologii 50 (1), pp. 23-30 : 25

Argyrestia communana Moriuti, 1969 ( fig. 2 )

M a t e r i a l. Russia: District Sakhalin, Aniva ; 46̊01' N 142̊52' E, 16.07.1973, 1 ǫ (Ermolenko) .

D i s t r i b u t i o n. Russia (district Sakhalin, Aniva); Japan (Honshu, Kyushu) ( Moriuti, 1969).

D i a g n o s i s. Wingspan 10–11 mm. Head and thorax white, dusted with pale greyochreous coloration. Labial palpi pale ochreous. Forewings grey, suffused with dark fuscous dots: a whitish costal spot before apex, and a whitish dorsal streak are diagnostic characters ( fig. 2 , 1 ). Cilia grey.

Male genitalia ( fig. 2, 2–4 ). Valva nearly of trapezoid shape ( fig. 2 , 3 ). The arms of ventral plate as long as the length of valva ( fig. 2 , 4 ).

Female genitalia. Bursa copulatrix with signum in form of a widely spaced sclerotized formation ( fig. 3 , 5 ).

R e m a r k s. Externally resembles Argyresthia conjugella Zell. , but can be readily distinguished from it by the colour of thorax, forewing pattern as well as a shape of valva in the male genitalia.

This species was unknown in Russia till now.

Figures

Fig. 2. Argyresthia communana: 1 — forewing pattern; 2–4 — male genitalia (2 — ventral plate, 3 — valva, 4 — aedeagus); 5 — bursa copulatrix.

Fig. 1. Argyresthia kurenzovi: 1 — forewing pattern; 2–4 — male genitalia (2 — ventral view, 3 — ventral plate, 4 — aedeagus); 5 — female genitalia; 6 — bursa copulatrix with signum.

Fig. 3. Paradoxus osyridellus: 1 — moth (habitus, dorsal); 2 — male genitalia (ventral view); 3 — aedeagus; 4 — female genitalia; 5 — bursa copulatrix.

Fig. 4. Kessleria saxifragae: 1 — moth (habitus, dorsal); 2 — male genitalia (ventral view); 3 — aedeagus; 4 — female genitalia; 5 — bursa copulatrix.

Fig. 5. Pseudoplutella porrectella: 1 — moth (habitus, dorsal); 2 — male genitalia (lateral view); 3 — aedeagus; 4 — bursa copulatrix.