Reticuluma dactyla Fu & Zhang sp. nov.

(Figs. 1A–D, 3A–H)

Description. Length (including wings): male 3.4–3.9mm; female 4.2–4.4mm.

Body covered with black reticulations. Numerous transverse striations on anterior margin of vertex; eyes black with inner edge reddish brown. Face black. Pronotum marked with white and black reticulations. Scutellum with brown and black reticulations with the end of the transverse line milky (Figs. 1A–D). Reticulations on forewing dense and dark (Fig. 5A)

External characters as in generic description.

Male genitalia. Pygofer side longer than broad, with short and long macrosetae near posterior margin (Fig. 3A). Subgenital plate extending beyond apex of pygofer, triangular; lateral margin slightly concave; on ventral side with a row of moderately long macrosetae and several short setae near the lateral margin and apex (Fig. 3B). Connective ‘Y’ shaped, similar in length to style (Figs. 3D–F). Aedeagus finger-like with gonopore on posterior side (Figs. 3G–H).

Female 7th sternum shorter than wide, rectangular, apical margin slightly convex, with a median shallow concavity in the middle. Second pair of valvulae with end truncated, with dorsal teeth (Fig. 3C).

Etymology. The specific epithet refers to the fingerlike aedeagus.

Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Yangling, 30-V-2013, Zhong Haiying. Paratypes: 5♂, 8♀, same data as the holotype.

Remarks. This species can be distinguished from other species of this genus by the fingerlike aedeagus.