96 M. W. NIELSON 



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

 margin of eyes, distal length about one-fourth entire median length, striate radially, lateral 

 margins nearly parallel, disk elevated considerably above level of eyes; ocelli medium size, 

 situated anteriorly; eyes large, occupying nearly two-thirds of entire dorsal area of head; 

 pronotum long, median length greater than median length of crown, surface finely knobbed; 

 scutellum large, median length about equal to median length of pronotum; elytra elongate 

 and slender, veins prominent, appendix well developed, venation as in description of genus; 

 clypeus long, broad anteriorly, narrowed posteriorly, without median longitudinal carina, 

 surface finely granulose, rugulose along anterior margin; clypellus with lateral margins 

 divergent apically. 



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

 process constricted subbasally, outer lateral margin expanded, inner lateral margin straight 

 and serrated; aedeagus in lateral aspect with dorsal appendage broad at basal five-sixths, 

 apex narrowed, curved, projecting dorsally; dorsal appendage with a pair of long, lateral 

 spines situated medially, projecting anteriorly, ventral margin with numerous fine spines; 

 ventral appendage long, tube-like, reaching apex of dorsal appendage; gonopore apical; 

 connective Y-shaped, style hooked apically ; plate with distal segment elongate, very broad 

 medially. 



Female seventh sternum with posterior margin produced mediallv. 



Specimens examined. 



Holotype $, New Guinea: Mt Plora, 6° 45' S., 146 E., 2100 m, 12.V.1966 

 (C. A. Samuelson) (BPBM, Honolulu). 



Paratypes. New Guinea: allotype 9, Mt Kaindi, 240 m, 27.1.1963 (/. Sedlacek) 

 (BPBM, Honolulu); 1 <§, same data as holotype; Mt Missim, 2400m, 3 <$, 15.iv.1968 

 (P. Coleman) ; Cassim, 1350 m, 48 km E. Kainatu, 1 <$, 30.x. 1959 (T. C. Maa) (BPBM, 

 Honolulu) ; 1 £, same data as holotype, 1 $, same data as allotype (BMNH, London) ; 

 Mt Missim, 2100 m, 1 <$, 13-15.lv. 1968 (P. Coleman); Wisselmeren, 1500 m, Itouda, 

 Kamo Village, 14.viii.1956 (/. L. Gressitt), in author's collection. 



Biology. Unknown. Collection records indicate that this species is prevalent 

 from August to January. 



Remarks. Tharra villosa is unique in the genus in having a row of very fine, 

 long spines on the ventral margin of the dorsal appendage of the aedeagus. 



Tharra aurulenta (Walker) comb. n. 

 (Text- figs 254-258) 



Coelidia aurulenta Walker, 1870 : 316. Holotype §, Moluccas: Morotai (BMNH, London) 



[examined]. 

 Coelidia aurulenta Walker; Metcalf, 1964 : 42. 



Length: $ 5-30-6-00 mm, § 6-00-6-70 mm. 



General colour fuscous. Crown ochraceous; e3 7 es rufous; pronotum ochraceous medially, 

 testaceous laterally; scutellum ochraceous to fuscous medially, testaceous laterally; elytra 

 fuscous to testaceous with ivory or ochraceous area on clavus, large ochraceous areas on costa, 

 ochraceous apically, fuscous subapically, £ more deeply marked than £; clypeus ochraceous 

 with narrow rufous transverse band along anterior margin; clypellus ochraceous. 



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

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

 lateral margins slightly convergent basally, disk elevated above eves; ocelli small, situated 



