ioo M. W. NIELSON 



Specimens examined. 



Holotype <$, New Guinea: Papua, Mt Riu, Sudest I., 250-350 m, No. 10, 9. hi. 1956 

 (L. J. Brass) (AMNH, New York). 



Biology. Unknown. 



Remarks. This species is very similar to aurulenta and can be separated from 

 that species by the presence of the pair of spines subapically on the dorsal appendage 

 of the aedeagus. 



Tharra pectoides sp. n. 



(Text-figs 264-268) 



Length: <§ 4-70-5-10 mm, $ 5-60 mm. 



General colour fuscous to testaceous; sexual dimorphism apparent. Male entirely testaceous, 

 O. entirely fuscous except for clypeus and clypellus, which are ochraceous. 



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

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

 depression medially, lateral margins nearly parallel, disk elevated above eyes; ocelli small, 

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

 area of head; pronotum short, median length about equal to median length of crown, surface 

 finely knobbed; scutellum large, median length slightly greater than median length of 

 pronotum; elytra elongate, veins somewhat obscured, appendix well developed; venation as 

 in description of genus; clypeus long, broad anteriorly, narrowed posteriorly, median longitudinal 

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

 constricted medially. 



Male pygofer in lateral aspect with long, narrow, curved process arising from caudoventral 

 margin, process broad basally, sinuate on inner lateral margin medially, constricted subapically, 

 sharp apically; aedeagus in lateral aspect with dorsal appendage broad throughout, apex 

 strongly curved dorsally ; dorsal appendage with a pair of long, sharp spines on middle of dorsal 

 margin, projecting basad, several long, sharp spines on ventral margin, projecting caudad; 

 ventral appendage long, very narrow, tube-like, exceeding apex of dorsal appendage; gonopore 

 apical ; connective Y-shaped ; style clawed apically ; plate with distal segment elongate, slightly 

 expanded medially along dorsal margin. 



Female seventh sternum with posterior margin produced medially. 



Specimens examined. 



Holotype g, New Guinea: 29-32 km S. of Wau, Bulldog Rd., 2500-2700 m, 

 31.V.1962 (/. Sedlacek) (BPBM, Honolulu). 



Paratypes. New Guinea: allotype $, Bulldog Rd, about 14 km S. Edi Cr., 

 2450m, 4-10. vii. 1966 (C. A. Samuelson) (BPBM, Honolulu); 3 <$, same data as 

 allotype; Bulldog Rd, 2550 m, 1 $, 27.vii.1969 (/. L. Gressitt); Iongai, 10 km E. 

 Mt Albert Edward, 1450m, 1 £, 7.XL1965 (/. M. Sedlacek); Mt Kaindi, 2350m, 

 1 $, i.iv.1964 (/. L. Gressitt); Lae, Sirguawa R., 147 10' E., 6° 45' S., 30 m, 1 <$, 

 4.^.1966 (0. R. Wilkes); Mt Missim, 2770m, 1 $, 21.xii.1967 (J. M. Sedlacek) 

 (BPBM, Honolulu); 1 <J, 1 $, same data as allotype (BMNH, London); 1 J, 1 $, 

 same data as allotype, in author's collection. 



Biology. Unknown. 



Remarks. This species has similar male genitalia to aurulenta and coacta, but 



