Paraclius Loew 1864
Creators: name: Zhang, Lili
name: Yang, Ding
name: Grootaert, Patrick
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Paraclius

description: Key to Paraclius (males) of Singapore   
 1. Scutellum with 4 bristles; hind femur with 2 preapical, anterodorsal bristles (freshwater habitats)............................................................................................. P. abbreviatus Becker   
– Scutellum with 6 bristles; hind femur with 1 preapical, anterodorsal bristle................................................................ 2  
 2. Femora entirely black (freshwater habitats).............................................................................................. P. adligatus Becker   
– Femora at most with black tip (mangrove).......................... 3  
 3. Cercus with a subapical notch (Fig. 11), bearing a long curved bristle.............................................. P. crassatus, new species   
– Cercus without subapical notch, bearing bristles of subequal size............................................................................................... 4  
 4. Cercus yellow, elongate triangular with brown, clavate marginal bristles (Fig. 6)................................ P. asiobates new species   
– Cercus mainly brown to black, without clavate bristles...... 5  
5. First flagellomere elongated, at least twice as long as wide.................................................................................................. 6  
– First flagellomere not elongated, at most 1.5 times as long as wide....................................................................................... 8  
 6. Mid femur with row of 8 ventral bristles; cercus with long basoventral process (Fig. 15); aedeagus without denticles (Fig. 16)................................................... P. digitatus, new species   
– Mid femur with 1-4 long ventral bristles near base; cercus without basoventral process; aedeagus with denticles......... 7  
 7. Hind femur with 5 ventral bristles; mid femur with 1 long ventral bristle on basal third and no spinules at base; fore tarsus completely yellow...................... P. polychaetus, new species   
 – Hind femur without ventral bristles; mid femur with 3-4 long ventral bristles in basal quarter and a row of minute spinules near base (Fig. 19); fore tarsomeres 3-5 black...................................................................................... P. obtus, new species   
 8. Mid and hind femur with respectively with 5 and 4 ventral bristles near base; aedeagus without denticles (Fig. 33); cercus club-shaped (Fig. 32)............ P. singaporensis, new species   
 – Mid and hind femur with a row of 10 ventral bristles; aedeagus with denticles (Fig. 29); cercus ovoid (Fig. 28)................................................................................. P. serratus, new species
description: Published as part of Zhang, Lili, Yang, Ding & Grootaert, Patrick, 2007, Paraclius (Diptera: Dolichopodidae: Dolichopodinae) Of Singapore, With New Species From Mangroves, pp. 49-62 in Raffles Bulletin of Zoology 55 (1) on page 50, DOI: 10.5281/zenodo.5454637