Arboridia Zachvatkin, 1946
Arboridia Zachvatkin, 1946: 153
Khoduma Dworakowska, 1972: 403 (synonymy by Dworakowska & Viraktamath, 1975: 529)
Type species: Typhlocyba parvul a Boheman, 1845
Description. Dorsum yellow, reddish, white or brown, patterned with red, orange or brown. Head narrower than pronotum. Crown fore margin weakly produced medially. Vertex midline pale, and usually with pair of dark or light preapical spots. Face with anteclypeus narrow and pale, concolorous with rest of face or dark. Pronotum broad, scutellum with dark lateral triangles.
Male abdominal apodemes small, narrow, extended dorsomesad, or large, broad, reaching or exceeding posterior margin of 3rd sternite.
Pygofer lobe rounded, microtrichia well developed. Pygofer dorsal appendage movably articulated, ventral appendage absent. Subgenital plate usually with 2-4 basal macrosetae on outer margin; marginal subbasal setae peglike, forming continuous row. Style with preapical lobe prominent, apex truncate and expanded or with 3 points. Aedeagal shaft usually symmetrical, with paired or unpaired processes, with preatrium shorter than shaft or about as long as shaft. Connective with lateral arms long, stem absent or very short, U- or V-shaped, and median anterior lobe absent.
Distribution. Palaearctic or Oriental regions.