Calybites securinella ( Ermolaev, 1986 )

Jiang, Yurong, Zhao, Yang, Wang, Encui, Zhang, Tongyou & Liu, Tengteng, 2021, Taxonomic review on Acrocercopinae, Gracillariinae and Ornixolinae from Shandong, China, with new data on distribution and host associations (Lepidoptera: Gracillariidae), Zoological Systematics 46 (3), pp. 240-257 : 243

Calybites securinella ( Ermolaev, 1986) ( Figs 1B , 3B )

Caloptilia securinella Ermolaev, 1986: 747 . TL: Gornotaezhnoe, South Primorye, Russia. TD: ZIN.

Calybites securinella (Ermolaev) : Noreika, 1994: 106; Noreika, 1997: 385; de Prins & de Prins, 2005: 136; Kawahara et al., 2010: 131.

Diagnosis. This species resembles C. phasianipennella , the details see the diagnosis of the latter.

Description. Adult. Wingspan 10.5 mm. Head white and glossy. Face light brown. Maxillary palpus light brown with white tip. Second segment of labial palpus with downward tufted hair, inner side white, outer side brown; middle part of third segment slightly brown. Antennae with scape yellowish white; flagellum light brown, glossy, with black rings. Forewing with ground color pale brown, an outward curved white streak at costal 1/4, about half-wing width in length, with a gray band extending to dorsum; a transverse white fascia in middle of wing, with inner edge concaved and outer edge straight; a triangular white spot about half-wing width near apex, where cilia white on costa, below with a gray band extending to tornus; a gray band between transverse white fascia and triangular spot near apex across forewing and bend outward before dorsum; a large triangular white spot near base of dorsum, about half width of wing, above with a gray band extending to near base of costa; all white patterns edged black scales; a gray spot near apex; cilia gray except on costal spot. Hindwing and cilia gray.

Male genitalia. Tuba analis with a long sclerotized line at middle with expanded base reaching tegumen. Tegumen with several long setae on sides. Valva strongly dilated apically, shallowly concave on terminal margin, costal corner rounded, a small process before end of sacculus. Vinculum + saccus broad triangular. Phallus thin and straight, narrowed distally, as long as valva, without cornutus.

Material examined. Shandong: 1♂, Mt. Laoshan, Qingdao , 36.211°N, 120.593°E, 390 m, 2015.VII.10, leg. Tengteng Liu, genitalia slide no. LIU0036, registration no. SDNU. Ent 150632 .

Host plant. In Far East of Russia, Flueggea suffruticosa (Euphorbiaceae) was reported as host plant ( Ermolaev, 1986). In China, no further information was added.

Distribution. China (Shandong), Korea ( Kawahara et al., 2010), Russian (Far East) ( Ermolaev, 1986).

Remarks. This species is recorded in China for the first time.

Figures

Figure 1. Adult habitus. A. Calybites phasianipennella, male, registration no. SDNU.YT170707. B. Calybites securinella, male, registration no. SDNU.Ent150632. C. Caloptilia (Caloptilia) celtidis, male, registration no. SDNU.Ent170235. D. Caloptilia (C.) chrysolampra, male, registration no. SDNU.BZ160807. E. Caloptilia (C.) sapporella, male, SDNU.Ent170088. F. Acrocercops transecta, male, registration no. SDNU.LS150701. Scale bars=2.0mm.

Figure 3. Male genitalia.A. Calybites phasianipennella, slide no. LIU0031. B. Calybites securinella, slide no. LIU0036. C. Caloptilia (Caloptilia) celtidis, slide no. LIU0037. D. Caloptilia (C.) chrysolampra, slide no. LIU0035. E. Caloptilia (C.) sapporella, slide no. LIU0038. F. Acrocercops transecta, slide no. LIU15001. Scale bars=0.2 mm.