Bradysia minorlobus Yang, Shi & Huang, 2019

Yang, Xue, Shi, Kai, Heller, Kai, Menzel, Frank, Huang, Junhao & Wu, Hong, 2019, Morphology and DNA barcodes of two species of Bradysia Winnertz from China (Diptera, Sciaridae), with the description of Bradysia minorlobus Yang, Shi & Huang sp. n., Zootaxa 4612 (1), pp. 85-94 : 90-93

Bradysia minorlobus Yang, Shi & Huang sp. n.

( Fig. 3 A–E)

Specimens examined. Holotype: male. CHINA: Zhejiang Province, Linan, Jixiancun , sweep-net, 15.XI.2011, leg. Kai Shi [ SM01801 ] ( ZAFU) . Paratypes: 1 male, Zhejiang, Linan, Tianmu Mountain , sweep-net, 05.V.2017, leg. Kai Heller [ SCILA343-17 ] ; 2 males, Zhejiang, Linan, Taihuyuan, Jinyou Village , sweep-net, 28.IV.2016, leg. Kai Heller [ SCILA155-16 , SCILA157-16 ] ( ZFMK) .

Description. Male. Colouration. Head dark brown; antenna, thorax, abdomen and hypopygium brown; palpus ( Fig. 3C ) and legs yellowish-brown; wing fumose. Head. Eye bridge with 3 rows of facets. Prefrons with 16–19 setae. Clypeus with 1–2 setae. Basal segment of palpus with 2–3 setae; 2 nd segment with 7–8 setae; 3 rd segment with 6–8 setae. Length/width of 4 th flagellomere: 2.34–2.56. Neck length/width: 0.68–0.71 ( Fig. 3D ). Thorax. Anterior pronotum with 3–6 setae, episternum 1 with 3–4 setae. Wings ( Fig. 3C ). Length 1.65–2.66 mm, width/length: 0.34– 0.40. c/w: 0.52–0.62. R1/R: 0.58–1.07. M, Cu, r-m and stM bare. Legs. Foretibia ( Fig. 3E ) with a comb of 9–10 setae. Length of spur/width of foretibia 1.54–1.83. Length of femur/length of metatarsus: foreleg 1.23–1.31. Length of metatarsus/length of tibia: foreleg 0.56–0.61, hind leg 0.42–0.46. Length of hind tibia/length of thorax 1.63–1.64. Foretibia with 0 dorsal, 0 ventral, 2 prolateral and 2 retrolateral spinose setae. Midtibia without dorsal megasetae. Hypopygium ( Fig. 3B ). Hypopygium 0.49 times as long as wide. Gonocoxite same length as gonostylus; with one ventral elongated seta at apicomesial corner. Intergonocoxal area with small, slightly bifid, densely setose lobe. Gonostylus ( Fig. 3A ) elongated, densely setose apically, the apical tooth lacking; 1.97 times as long as wide; with a small subapical dorsal lobe with 5 short megasetae, which form a close group. Tegmen 0.71 times as long as wide, roundish apically; with some aedeagal teeth. Sternite 10 with 1 seta on each half.

Female. Unknown.

BIN. BOLD:ADD2898.

Distribution. China: Zhejiang.

Remarks. The morphological characters of the new species and B. chenjinae are compared in Results and Discussion. The new species resembles B. scabricornis Tuomikoski, 1960 and B. atracornea Mohrig and Menzel, 1992 , but the intercoxal area of B. minorlobus Yang, Shi & Huang sp. n. has a small slightly bifid integonocoxal lobe, which is lacking in many other species.

Etymology. This species is named according to its small intergonocoxal lobe of male genitalia and the specific name is combined from the Latin words ‘minor’ and ‘ lobus ’, meaning ‘small’ and ‘lobe’, respectively.

Figures

FIGURE 3. Bradysia minorlobus Yang, Shi & Huang sp. n., male, holotype. A. Left gonostylus, ventral view; B. Right half of hypopygium, ventral view; C. Palpus, lateral view; D. 4 th flagellomere, lateral view; E. Apex of foretibia, prolateral view. Scale bars = 0.10 mm. Drawings: Kai Shi.