Orybina bellatulla Qi & Li, 2017

Qi, Mujie, Sun, Yongling & Li, Houhun, 2017, Taxonomic review of the genus Orybina Snellen, 1895 (Lepidoptera, Pyralidae, Pyralinae), with description of two new species, Zootaxa 4303 (4), pp. 545-558 : 550-551

publication ID

https://doi.org/ 10.11646/zootaxa.4303.4.6

publication LSID

lsid:zoobank.org:pub:CB78B9BB-3C0B-4584-989D-8620165626E0

DOI

https://doi.org/10.5281/zenodo.6028127

persistent identifier

https://treatment.plazi.org/id/03A69830-D10F-FFF5-58EA-2995FEA0BB01

treatment provided by

Plazi

scientific name

Orybina bellatulla Qi & Li
status

sp. nov.

Orybina bellatulla Qi & Li , sp. nov.

( Figs 4 View FIGURES 1 – 8 , 15 View FIGURES 12 – 15 , 23 View FIGURES 20 – 26 )

Type material. Holotype ♂, CHINA: Caopingcun (30.95°N, 103.32°E), Wenchuan County, Sichuan Province, 1557 m, 9-VII-2014, leg. Kaijian Teng, Wei Guan, Xiuchun Wang, Shurong Liu, genitalia slide No GoogleMaps . QMJ15181. Paratypes: China: Hubei: 1 ♂, Songbaizhen (31.73°N, 110.66°E), Shennongjia, 1200-1400 m, 16-VII-2003, leg. Shulian Hao, genitalia slide No GoogleMaps . WSS02222; 1 ♀, Houhe (30.08°N, 110.61°E), Wufeng, 1000 m, 10-VII-1999, leg. Houhun Li; Sichuan: 3 ♀, 11-VII-2014, genitalia slide Nos GoogleMaps . QMJ16020, QMJ1 5182, QMJ15183, other same data as holotype; Zhejiang: 1 ♂, Mt. Wuyanling (27.71°N, 119.68°E), Taishun, 790 m, 2-VIII-2007, leg. Qing Jin, genitalia slide No GoogleMaps . SYL11116.

Diagnosis. This species can be distinguished from its congeners by the forewing without any spot. It is similar to O. kobesi in the male genitalia, but can be distinguished from the latter by the distal process of the gnathos approximately 3/4 the length of the uncus, the nipplelike clasper and the rounded apex of the valva in the male genitalia. In O. kobesi , the distal process of the gnathos is about 2/5 the length of the uncus, the wide and short clasper is triangular in shape, and the apex of the valva is truncate in the male genitalia ( Fig. 12 View FIGURES 12 – 15 ). In addition, the new species is similar to O. imperatrix in the wing color, but it can be distinguished from the latter by the hindwing with a fuscous and unclosed circle, which is absent in O. imperatrix . ( Fig. 8 View FIGURES 1 – 8 ).

Description. Adult ( Fig. 4 View FIGURES 1 – 8 ): Wingspan 25.0–30.0 mm. Frons covered with purple gray scales; vertex covered with yellowish-brown scales. Male labial palpus with first segment yellow on ventral half, second and third segments reddish-brown on outer side, brownish-yellow on inner side, first segment about half length of second segment, third segment slightly enlarged at tip, about 2/3 length of second; female labial palpus porrect, first segment white ventrally, second and third segments same color as in male, second segment about 3 times length of first, 1.5 times length of third. Maxillary palpus yellow, covered with reddish-brown scales at tip. Antenna grayishbrown. Patagium and tegula reddish-brown. Forewing reddish-brown, mixed with fuscous scales; antemedial line indistinct; postmedial line deep red or purplish-brown, serrated, from distal 1/4 of costa arched outward to CuA2, then curved inward to dorsal 3/4; cilia reddish-brown. Hindwing with ground color same as hindwing; median area with a fuscous and unclosed circle; cilia deep reddish-brown. Fore- and mid-legs with femora and tibiae purplishred, with sporadic brown scales, tarsi yellow; hindleg yellowish-brown, with sporadic pale purplish-red scales.

Male genitalia ( Fig. 15 View FIGURES 12 – 15 ). Uncus triangular, pointed at apex. Gnathos lateral arms wide, joined from middle; distal process conical, sharp at apex, same length as uncus. Valva with dorsal and ventral margins subparallel, basal 1/2 smooth, distal 1/2 setose and with transverse wrinkles, apex rounded; clasper nipple-shaped, at middle near ventral margin of valva; sacculus rod-shaped, about 1/3 length of valva. Vinculum triangular, short. Juxta oval, concave in V shape on posterior margin. Phallus cylindrical, curved at middle, sclerotized distally.

Female genitalia ( Fig. 23 View FIGURES 20 – 26 ). Papillae anales sub-ovate. Apophyses anteriores about 1.5 times as long as apophyses posteriores. Antrum bowl-shaped, weakly sclerotized. Bursal ring about 1/4 length of apophyses anteriores. Ductus bursae membranous, coiled slightly, spinuous distally. Corpus bursae ovate, about 1.6 times as long as ductus bursae, anterior 1/2 with two areas consisting of numerous spinules. Distribution. China (Hubei, Sichuan, Zhejiang).

Etymology. The specific name is derived from the Latin bellatulus (elegant), in reference to the reddish and graceful wings.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Pyralidae

SubFamily

Pyralinae

Genus

Orybina

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