REVISION OF COELIDIINAE 71 



pronotum short, median length less than median length of crown, surface finely knobbed; 

 scutellum large, median length much greater than median length of pronotum; elytra elongate, 

 veins indistinct, appendix well developed, venation as in description of genus; clypeus with 

 anterior margin broad, constricted at basal half, without median longitudinal carina, surface 

 finely granulose, rugulose on anterior margin; clypellus with lateral margins diverging apically. 



Male pygofer in lateral aspect with long, curved process, process very broad basally, 

 constricted subbasally, slightly broad medially and attenuated apically, inner lateral margin 

 very fine, outer lateral margin somewhat sclerotized; aedeagus in lateral aspect with dorsal 

 appendage somewhat attenuated, without spines or processes, slightly curved at apex; ventral 

 appendage long, narrow, tube-like, with small keel ventrally; gonopore apical; connective 

 Y-shaped; style clawed apically; plate with distal segment elongate, somewhat expanded 

 subapically. 



Female seventh sternum with posterior margin nearly truncate. 



Specimens examined. 



Holotype <$, New Guinea: Tomba, slopes of Mt Hagen, 2500-2650 m, 24.V.1963 

 (J. Sedlacek) (BPBM, Honolulu). 



Paratypes. New Guinea: allotype $, Mt Giluwe, 2500-2750 m, 30. v. 1963 

 (J. Sedlacek) (BPBM, Honolulu); Mt Giluwe, 2550 m, 1 <$, 27. v. 1963 (J. Sedlacek), 

 in author's collection. 



Biology. Unknown. 



Remarks. This is a unique species in the genus Tharra by having a keel on 

 the ventral margin of the ventral appendage of the aedeagus, which separates it 

 from its nearest relative, grandis. 



Tharra grandis sp. n. 



(Text-figs 174-178) 



Length: <$ 5-10 mm, 9 unknown. 



General colour piceous with numerous fine spots on elytra. Crown piceous except for 

 small, ochraceous area near ocelli; eyes deep fuscous; pronotum and scutellum piceous; elytra 

 piceous with numerous small ochraceous spots throughout, veins piceous; clypeus and clypellus 

 piceous. 



Head narrower than pronotum; crown long and broad, produced distally beyond anterior 

 margin of eyes, distal length over one-third entire median length of crown, striate radially, 

 lateral margins convex, disk elevated considerably above eyes; ocelli small, situated anteriorly; 

 eyes moderate size, somewhat compressed laterally, occupying a little over half of the entire 

 dorsal area of head; pronotum short, median length slightly less than median length of crown; 

 scutellum large, median length greater than median length of pronotum; elytra elongate, veins 

 prominent, appendix well developed, venation as in description of genus; clypeus long, without 

 median longitudinal carina, lateral margins nearly parallel, constricted medially, somewhat 

 swollen, surface finely granulose, anterior margin narrowly rugulose; clypellus with lateral 

 margin nearly parallel. 



Male pygofer in lateral aspect with large, curved process arising from caudoventral margin, 

 process somewhat constricted basally, aperturized along inner lateral margin at subapical 

 half, subapical half striate laterally; aedeagus in lateral aspect with dorsal appendage broad 

 throughout, slightly swollen apically with a pair of large, sharp flanges subbasally on ventral 

 margin; ventral appendage broad, reaching apex of dorsal appendage; gonopore apical; 

 connective Y-shaped; style not clawed apically; apex truncate with small lateral spine 

 apically ; plate with distal segment elongate, slightly expanded subapically. 



