Diogodiasia crassilineatus ( Gaede, 1929 ) Yakovlev, 2022

Yakovlev, Roman V., 2022, Diogodiasia Yakovlev - New Genus of Cossinae (Lepidoptera, Cossidae) from Madagascar with descriptions of two new species, Ecologica Montenegrina 55, pp. 42-48 : 44

Diogodiasia crassilineatus ( Gaede, 1929) comb. n.

Figs 1‒2 , 5

Material examined (all NHMUK). Lectotype, male, [ Madagascar], Diego Suarez [Antsiranana], 23 April [19]17, (G. Melou) . Paralectotype, male, Diego Suarez, 10 Sept. [19]17 (G. Melou) // NHMUK individual number 012832438 // slide NHMUK: 010315471.

Description. Male genitalia. Uncus basally narrow, with parallel edges, apex tapered; tegumen robust; gnathos arms of medium thickness, long; gnathos robust, covered with fine spikes; valve with robust crest on costal edge (on border between medium and distal third), sclerotized rib on inner surface of valve (about 1/3 of valve in width), apex of valve poorly sclerotized, semicircular; transtilla process uncinate, long, apically acute; juxta compact with long lateral thick processes; saccus semicircular, compact; phallus poorly curved, thin, equal to valve in length, apically acute, vesica aperture in dorso-apical position, about 1/3 of phallus in length, vesica without cornuti.

Diagnosis. The species differs from the other representatives of the genus in the fine reticulated pattern of black lines on the dark-brown fore wing and in the apically tapered uncus.

Figures

Figures 1‒4. Adult specimens (males) of Diogodiasia Yakovlev, gen. n. (NHMUK): 1. D. crassilineatus (Gaede, 1929), lectotype; 2. D. crassilineatus (Gaede, 1929), paralectotype (NHMUK individual number 012832438); 3. D. catalai Yakovlev sp. n., holotype; 4. D. martini Yakovlev sp. n., holotype.

Figures 5‒7. Male genitalia of Diogodiasia Yakovlev, gen. n.: 5. D. crassilineatus (Gaede, 1929), paralectotype; 6. D. catalai Yakovlev sp. n., holotype; 7. D. martini Yakovlev sp. n., holotype.