Tumidiclava Girault, 1911

Tumidiclava Girault 1911: 6 –8. Type species: Tumidiclava pulchrinotum Girault, by original designation.

Orthoneura Blood 1923: 257 –258. Type species: Orthoneura bimaculata Blood, by monotypy.

Orthoneura Blood & Kryger 1928: 211 (an objective junior synonym of Orthoneura Blood, 1923). Type species: Orthoneura bimaculata Blood & Kryger, 1928, by original designation.

Orthoneurella Blood & Kryger 1929: 322, nom. nov. pro Orthoneura Blood, 1923 nec Orthoneura Macquart, 1829 ( Syrphidae). Listed as a synonym of Tumidiclava by Doutt & Viggiani 1968: 549.

Tumidiclava (Orthoneurella) Blood & Kryger: Nowicki 1936: 141 (probably a subgenus of Tumidiclava); Nowicki 1940: 655 (a subgenus of Tumidiclava).

Tumidiclava Girault: Doutt & Viggiani 1968: 549 (comments, list of species); Yousuf & Shafee 1988: 106 –107 (diagnosis, key to Indian species); Lin 1991: 47 –48 (diagnosis, key to species in Fujian); Lin 1994: 85 –86 (diagnosis, key to Chinese species); Yousuf et al. 1998: 5 –6 (diagnosis, key to Indian species); Pinto & George 2004: 532 –533 (mentioned); Pinto 2006: 111 –112 (diagnosis, distribution, diversity, hosts); Fursov 2007: 964 (in generic key), 984–985 (brief diagnosis, key to the 3 described European species).

Diagnosis. Antenna with 2 anelli; funicle absent; female club 2–4 segmented, with an elongate terminal process at apex; male club 2–5 segmented, without a terminal process. Fore wings slightly more than twice as long as wide (moderately wide), disc usually densely setose but sometimes with a few or sparse setae; venation relatively short, marginal vein broad and short, stigmal vein rudimentary, postmarginal vein absent. Male genitalia without digiti and claspers.