Holcoceroides landeri Yakovlev & László, 2020

Yakovlev, Roman V. & László, Gyula M., 2020, Holcoceroides landeri - a new species of Carpenter-Moths (Lepidoptera, Cossidae: Politzariellinae) from the Republic of Guinea, Ecologica Montenegrina 33, pp. 29-34 : 30-33

Holcoceroides landeri Yakovlev & László , sp. n.

Figs 1−2 , 7 , 11

https://zoobank.org/ urn:lsid:zoobank.org:act:A632E178-4724-48E8-B094-F988979B1240

Holotype, male, “ Guinea, Geipa Camp, Forêt de Diecké , 7º26ʹ7.06ʹʹN, 8º50ʹ47.87ʹʹW, 435 m, 5‒14.iv.2019, Cold Cathode UV Light Trap (8 W), Safian, Sz., Koivogui, S. leg., ANHRT: 2019.7”, unique number: ANHRTUK 00107396, genitalia slide number: LG 5196 ( ANHRT).

Paratype: 1 female, with the same data as the holotype, unique number: ANHRTUK 00107399, genitalia slide number: LG 5290 ( ANHRT) .

Description

Male ( Fig. 1 ). Forewing length 10 mm. Antenna short, half as long as length of forewing, filiform with flattened segments in both sexes, its proximal 5/6 dark brown, distal 1/6 paler brown. Forewing relatively short, broad, dark-brown, densely scattered with pale brown scales basally, discally (at cubital veins) and postdiscally, with a blurred black streak postdiscally (at medial veins). Hindwing uniformly dark brownish grey without pattern.

Male genitalia ( Fig. 7 ). Uncus conspicuously broad at base, bifurcate, consisting of two short, broadly rounded more or less semicircular arms; tegumen robust, trapezoidal; gnathos arms thick, short, medial plate of gnathos small, heavily sclerotized, with a short, finely serrated process projecting posteriorly; valva broad at base, apically gradually tapered, rather triangular, apex lanceolate, costal margin with a large, acute triangular medial process projecting caudad; juxta large, robust, medially ring-like, with a long cylindrical anterior process and a pair of robust, acute trigonal posterior lobes; saccus large, apically rounded, U-shaped; phallus rather narrow, more or less as long as valva, slightly curved in proximal third, ventral surface finely serrated in its distal 1/5, vesica aperture oblique, positioned dorso-apically, equal to 2/5 of phallus in length, vesica without cornuti.

Female ( Fig. 2 ). Forewing length 10.5 mm. Sexual dimorphism limited, expressed only by the slightly wider forewing of female compared to that of male; male and female wing pattern and coloration nearly identical.

Female genitalia ( Fig. 11 ). Ovipositor conspicuously long; papillae anales narrow, apically rounded; apophyses posteriores three times as long as apophyses anteriores; ostium bursae cup-shaped, deeply incised; ductus bursae long and thin, slightly sclerotized posteriorly, membranous anteriorly; cervix bursae membranous, slightly rugose, ductus seminalis narrow; posterior third of corpus bursae tubular, slightly broader than ductus bursae, anterior two-thirds of corpus bursae ovoid, signum bursae absent.

Diagnosis

The new species is distinguished from the other species of the genus in the following characters:

- from H. ferrugineotincta ( Figs 3−5 , 8−9 ) – by the shorter uncus, absence of the robust hooked harpe, specific shape of the juxta, and the shorter, less acute triangular process of the costal margin of the valva.

The differences in the female genitalia are as follows: in H. ferrugineotincta , the posterior apophyses are about two times longer than the anterior ones (in H. landeri , they are three times longer); ductus seminalis adjoins with the corpus bursae in its proximal third (whereas in H. landeri , in its medium third);

- from H. cheick ( Figs 6 , 10 ) – by the significantly smaller size (the forewing length of H. cheick is 15 mm), the presence of the long triangular process of the costal margin of valva, the absence of the serrated harpe on the ventral margin of valva, the less heavily sclerotized transtilla process and the markedly different configuration of juxta.

Etymology. The new species is named after the famous explorer of West Africa, Richard Lemon Lander (1804—1834), Winner of the Gold Medal of the Geographical Royal Society, who died in Nigeria at the age of 29 at the hands of bandits.

Figures

Figure 11. Female genitalia of Holcoceroides landeri sp. n., paratype (Slide number LG 5290).

Figures 1−6. Adult specimens of Holcoceroides: 1. H. landeri sp. n., holotype, male (ANHRT); 2. H. landeri sp. n., paratype, female (ANHRT); 3. H. ferrugineotincta, male, Guinea, Centre Forestiére de Sérédou, 8º22ʹ38.05ʹʹN, 9º18ʹ17.19ʹʹW, 559 m, 29‒31.iii.2019, Light trap Blended Bulb (250 W), Sáfián, Sz., Koivogui, S. leg., ANHRT 2019.7 (ANHRT); 4. H. ferrugineotincta, male, Ivory Coast, Tai NP, Tai Research Station (SRET), N05°50′00′′, W07°20′32′′, 174 m, 25.iii.−17.iv.2017, Aristophanous, A., Aristophanous, M., Geiser, M., Moretto, P., Ruzzier, E. leg., ANHRT 2017.25 (ANHRT); 5. H. ferrugineotincta, male, Ivory Coast, Tai NP, Tai Research Station (SRET), N05°50′00′′, W07°20′32′′, 174 m, 25.iii.−17.iv.2017, Aristophanous, A., Aristophanous, M., Geiser, M., Moretto, P., Ruzzier, E. leg. ANHRT 2017.25 (ANHRT); 6. H. cheick Yakovlev, Müller, Kravchenko et Petrányi, 2019, holotype, male, Guinea Konakri, Macenta Prefecture, Ziama Forest, 550 m, Mt. Nimba, March 2017, leg. G. Petrányi, V.D. Kravchenko et G.C. Müller (coll. G. Müller, Freising / later Zoologische Staatssammlung, Munich, Germany).

Figures 7−10. Male genitalia of Holcoceroides: 7. H. landeri sp. n., holotype (Slide number LG 5196); 8. H. ferrugineotincta, Guinea, Centre Forestiére de Sérédou, 8º22ʹ38.05ʹʹN, 9º18ʹ17.19ʹʹW, 559 m, 29‒31.iii.2019, Light trap Blended Bulb (250 W), Sáfián, Sz., Koivogui, S. leg. ANHRT 2019.7 (slide number ANHRT LG 5195); 9. H. ferrugineotincta, Ivory Coast, Tai NP, Tai Research Station (SRET), N05°50′00′′, W07°20′32′′, 174 m, 25.iii.−17.iv.2017, Aristophanous, A., Aristophanous, M., Geiser, M., Moretto, P., Ruzzier, E. leg. ANHRT 2017.25 (slide number LG 5197); 10. H. cheick Yakovlev, Müller, Kravchenko et Petrányi, 2019, holotype, Guinea Konakri, Macenta Prefecture, Ziama Forest, 550 m, Mt. Nimba, March 2017, leg. G. Petrányi, V.D. Kravchenko et G.C. Müller (coll. G. Müller, Freising / later Zoologische Staatssammlung, Munich, Germany; slide Müller Cossidae 2019/01-#4)