Impatiophila linzhiensis Fu & Gao

Fu, Zhao, Toda, Masanori J., Li, Nan-Nan, Zhang, Ya-Ping & Gao, Jian-Jun, 2016, A new genus of anthophilous drosophilids, Impatiophila (Diptera, Drosophilidae): morphology, DNA barcoding and molecular phylogeny, with descriptions of thirty-nine new species, Zootaxa 4120 (1), pp. 1-100 : 35

7) Impatiophila linzhiensis Fu & Gao , sp. nov.

( Fig. 17 ; Pl. 1F; Pl. 6F)

Diagnosis. Setae of middle row on 2nd costal section mostly heavy, peg-like setae, but not reaching R2+3 ( Fig. 3 F). Abdominal tergites III‒V each with black, medially widely interrupted, caudal band (Pl. 1F).

Description (♀). Head (Pl. 1F): Eyes dark brownish. Cibarium with 3 medial and 4 posterior sensilla per side.

Thorax (Pl. 1F): Postpronotum yellowish brown; scutum blackish brown to black, pale posteriorly, along transverse suture and throughout median line and lines of ipsilateral dorsocentral setae; scutellum brown, pale laterally; pleura brown to blackish brown.

Wing (Pl. 1F) hyaline; veins yellowish brown. C1 setea 2; ventral one shorter and thinner. Haltere pale yellow.

Legs: (P1. 1F): Hindleg tibia without black, apically blunt, stout spine at outer apex on underside.

Abdomen: Sternites grayish yellow.

Female terminalia ( Fig. 17 A, B; Pl. 6F): Oviscapt valve gently curved on dorsosubapical margin and less expanded dorsomedially in lateral view, with 5‒6 ovisensilla on dorsosubapical margin, ca. 12 on slightly convex (in ventral view) margin of somewhat triangular, apicolateral flap and 9‒13 distally increasing in size on slightly convex, ventral margin. Spermathecal capsule pale brown; introvert depth of duct about 1/3 of capsule height.

Measurements: BL = 2.48 mm, ThL = 1.13 mm, WL = 2.55 mm, WW = 1.12 mm.

Indices: arb = 2/1, FW/HW = 0.47, ch/o = 0.14, prorb = 1.00, rcorb = 0.67, orbito = 1.32, vb = 0.40, dcl = 0.55, dcp = 0.38, sterno = 0.60, m-sterno = 0.71, sctl = 1.08, sctlp = 1.18, C = 2.71, 4c = 0.81, 4v = 1.60, 5x = 1.73, ac = 2.55, M = 0.49.

Holotype. ♀ (#00543), along the way from Lage Village, Baiba Town, Linzhi County to Hanmi Village, Beibeng Town, Motuo County, Linzhi District, Xizang, China, 25.ix.2010, ex Impatiens desmantha Hook. f. ( Fig. 1 C), J.J. Gao ( KIZ).

Distribution. China (Xizang).

Etymology. Pertaining to the type locality.

Figures

FIGURE 1. Flowers from which some of the BVD (Impatiophila gen. nov.) flies employed in the present study were collected. Sites of photographing are given in parentheses (see Fig. 2 for detailed information about each site). A, Impatiens siculifer Hook. f. (site 3); B, Impatiens sp. aff. bahanensis Hand. - Mazz (site 2); C, Impatient desmantha Hook. f. (site 1), D, Impatiens arguta Hook. f. et. Thoms. (site 4); E, Impatiens radiata Hook. f. (site 10); F, Impatiens racemosa (site 17); G, Gesneriaceae sp. 1 (site 22); H, Impatiens siculifer Hook. f. (site 6); I, Impatiens uniflora Hayata (site 23); J, Gesneriaceae sp. 2 (site 6).

FIGURE 3. Characters 1 ‒ 5. A, B, cibarium (dorsal view) of Impatiophila yapingi (A, # 00116) and I. acutivalva (B, paratype ♂ # 00375); C, D, thorax (dorsal view) of I. acutivalva (C, holotype ♂ # 00282) and I. magnimaculata (D, paratype ♂ # 00544); E – H, wing (anterodistal portion) of I. securiformis (E, paratype ♂ # 01507), I. linzhiensis (F, holotype ♀ # 00543), I. longifolia (G, paratype ♂ # 00321) and I. bifurcata (H, paratype ♂ # 02582); I – L, hindleg of I. truncivalva (I, paratype ♂ # 01536), I. yapingi (J, ♂ # 03752), I. longifolia (K, paratype ♂ # 00321) and Lissocephala sabroskyi (L, ♂ from Bogor, West Java, Indonesia).

FIGURE 17. Impatiophila linzhiensis Fu & Gao, sp. nov. Adult female (holotype, # 00543): A, oviscapt (lateral view); B, oviscapt (ventral view).