Diogodiasia martini 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 : 46-47

Diogodiasia martini Yakovlev sp. n.

https://zoobank.org/ urn:lsid:zoobank.org:act:B81B1F62-67B4-49AB-AF6F-6D29D70EF724

Figs 4 , 7

Material ( NHMUK). Holotype, male, Madagascar, Province Mahajanga, Tsingi de Namoroka N.P., 16º28.154ʹS, 45º20.890ʹE, at MV light, 125 m, 02‒12.ix.2012, G. Martin, BMNH (E) 2012-141 // NHMUK individual number 012832540 // slide NHMUK: 010315557.

Description. Male. Antenna bipectinate, setae 3 times longer than antenna rod diameter. Length of fore wing 11 mm. All wings dark-brown, pattern poorly visible due to poor condition of the specimen, very dark portions noticeable discally and postdiscally. Hind wings without pattern.

Male genitalia. Uncus basally narrow, with parallel margins from base to middle of length, gradually narrowing distally, apically acute; tegumen robust; gnathos arms of medium thickness, long; gnathos robust, covered with fine spikes; valve with robust crest on costal margin (on border between medium and distal third), sclerotized rib on inner surface of valve (about 1/4 of valve in width), apex of valve poorly sclerotized, semicircular, wide; transtilla process hook-like, with thick basal end, long, apically acute; juxta compact, with long thick lateral processes; saccus semicircular, compact; phallus poorly curved, thin, equal to valve in length, with obliquely cut, acute apex, vesica aperture in dorso-apical position, about 1/2 of phallus in length, vesica without cornuti.

Female unknown. Diagnosis. The new species clearly differs from other species of the genus in the very dark coloring and in the relatively wide apex of the valve. From D. crassilineatus it differs in the acute apex of the uncus; from D. catalai – in the thin phallus without prongs on the ventral surface.

Etymology. The new species is named after the type specimen collector, Mr. Geoff Martin, a Senior Curator in Charge, Lepidoptera in NHMUK.

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.