Stathmopoda miniloba S. Wang & Guan, 2021

Wang, Shuxia, Guan, Wei & Wang, Ailing, 2021, Genus Stathmopoda Herrich-Schäffer, 1853 (Lepidoptera: Stathmopodidae) from China (III): Descriptions of fourteen new species, Zootaxa 5039 (1), pp. 71-108 : 85-86

Stathmopoda miniloba S. Wang & Guan , sp. nov.

( Figs 13 , 38 , 59 )

Type material. CHINA, Guizhou: Holotype ♂, Pobao, Limingguanshuizu Town , Libo County, 740 m, 20.VII.2015, leg. MQ Yang & GE Lee, slide No. GW 15053 . Paratypes. 1♂ 1♀, 19‒20.VII.2015, other same data as holotype, slide No. GW15054 ♀, WAL19237 ♂; 1♀, Mt. Chengjia , Daozhen County, 1300 m, 19.VIII.2004, leg. YL Xiao, slide No. GW 13069 ; Zhejiang: 1♂, Zhangkengkou, Mt. Jiulong , 623 m, 5.VII.2013, leg. AH Yin & XC Wang, slide No. LLJ14070 ; Guangxi: 1♀, Mt. Pinglong, Shangsi , 510 m, 6.IV.2002, leg. SL Hao & HJ Xue.

Diagnosis. The new species is characterized by the brown forewing with a large silvery white subbasal patch; in the male genitalia by the costa of the valva extremely produced triangularly, the cucullus obliquely extending dorsad and the elongate oval juxta. The new species is similar to S. jinxiuensis sp. nov. in the features of the male genitalia, and the differences between them are stated in the diagnosis of the latter species.

Description. Adult ( Fig. 13 ). Wingspan 9.5‒13.0 mm. Head with frons silvery white; vertex greyish brown; oc- ciput yellowish brown. Labial palpus silvery white except third segment brown on outer margin. Antenna yellowish brown. Thorax yellowish brown in anterior 1/3, purplish black in posterior 2/3, in some individuals, with a white spot at middle laterally; tegula yellowish brown in anterior half, purplish black in posterior half. Forewing brown; costal margin with a yellowish brown spot at base; purplish black patch from basal 1/7 of costal margin narrowed to dorsal margin, large silvery white patch from between basal 1/7 and 3/10 of costal margin to between subbase and basal 1/3 of dorsal margin; fringe brown. Hindwing and fringe brown. Legs silvery white; foreleg with tibia and tarsus brown on outer surface; midleg with tibia brown and bearing long yellowish brown bristles at middle and apex on dorsal surface, tarsus brown on outer surface; hindleg with tibia with greyish brown bristles at apex, tarsus with greyish brown bristles at apices of basal two tarsomeres. Abdomen greyish brown on dorsal surface, white on ventral surface.

Male genitalia ( Fig. 38 ). Uncus sub-triangular, wide at base, gradually narrowed from base to apex, with long setae laterally, distal 1/3 beak-shaped in lateral view. Gnathos broadly lingulate, wide at base, narrowed to obtusely rounded apex. Tegumen with height same length as uncus. Valva with costa produced triangularly; cucullus sub-ovate, slightly narrowed to rounded apex, extending obliquely dorsad, forming an obtuse ventrobasal corner; sacculus approximately 3/5 length of valva, slightly concave near base on ventral margin, apex pointed, free from cucullus, reaching slightly beyond ventrobasal corner of cucullus. Vinculum narrowly banded; saccus extended in V-shape, 1/4 length of uncus. Juxta elongate oval; anellar lobes small and rounded, 1/4 length of juxta, with short setae. Aedeagus 1.3 times length of valva, tapered from base to apex, with a sclerite near base, with numerous spicules ranging from middle to near apex; distal process clubbed, curved, rounded at apex, 1/4 length of aedeagus; cornutus absent.

Female genitalia ( Fig. 59 ). Intersegmental membrane between papillae anales and eighth abdominal segment approximately twice length of papillae anales. Apophyses posteriores approximately 1.7 times length of apophyses anteriores. Eighth segment straight and with long setae on posterior margin; eighth tergite rectangular; eighth sternite triangularly produced anteriorly. Antrum cup-shaped. Ductus bursae almost uniformly wide, approximately 2/3 length of corpus bursae. Corpus bursae elongate oval; with two signa, each with a sclerotized ridge along one side, located at posterior 1/3. Appendix bursae originating from anterior part of corpus bursae, broad and with several denticles at base; ductus seminalis narrowly tubular, with numerous granules distally.

Distribution. China (Guangxi, Guizhou, Zhejiang).

Etymology. The specific epithet is derived from the Latin mini- and lobus, referring to the small anellar lobes in the male genitalia.

Figures

FIGURES 13‒19.Adults of Stathmopoda spp. 13, S. miniloba sp. nov., paratype, ♀; 14, S. paraxanthostigma sp. nov., paratype, ♂; 15a, S. xanthostigma sp. nov., paratype, ♀; 15b, S. xanthostigma sp. nov., paratype, ♀; 16, S. sphaeroidea sp. nov., paratype, ♀; 17, S. delitescens sp. nov., paratype, ♀; 18, S. diplaspis, ♀; 19, S. laiyangensis sp. nov., holotype, ♂. Scales = 2.0 mm.

FIGURES 33‒38. Male genitalia of Stathmopoda spp. 33, S. similignominiosa sp. nov., holotype, slide No. GW15147; 34, S. sufusciumeraris sp. nov., holotype, slide No. GW15002, 34a, enlarged cornutus; 35, S. balanarcha, slide No. GW13068; 36, S. ferrorufa sp. nov., holotype, slide No. GW15049; 37, S. jinxiuensis sp. nov., holotype, slide No. GW15055; 38, S. miniloba sp. nov., holotype, slide No. GW15053. Scales: 33‒35, 37 = 0.2 mm, 34a, 36, 38 = 0.1 mm.

FIGURES 57‒61. Female genitalia of Stathmopoda spp. 57, S. sufusciumeraris sp. nov., paratype, slide No. GW15003; 58, S. ferrorufa sp. nov., paratype, slide No. GW15050; 59, S. miniloba sp. nov., paratype, slide No. GW13069; 60, S. paraxanthostigma sp. nov., paratype, slide No. GW13063; 61, S. xanthostigma sp. nov., paratype, slide No. GW14154. Scales = 0.5 mm.