154 M. W. NIELSON 



Vittae semiprominent against light fuscous ground; distribution Ponape Island 



/. ponapensis Linnavuori (p. 158) 



5 (2) Elytra suffused with light rufous along anterior three-fourths, distinct narrow 



transverse fuscous band subapically . . /. super ba Linnavuori (p. 156) 



Elytra suffused with fuscous throughout, sometimes with small rufous spots on 



costa ......../. yapicola Linnavuori (p. 157) 



6 (1) Elytra with prominent yellow or ivory spot on clavus ..... 7 



Elytra with a pair of long rufous vittae on clavus /. palauensis Linnavuori (p. 157) 



7 (6) Claval spot small to moderate size, not occupying entire mid length of clavus . 8 



Claval spot very large, oval-shaped, occupying entire mid length of clavus 



/. superba Linnavuori (p. 156) 



8 (7) Claval spot small to moderate size, occupying middle of clavus ... 9 



Claval spot moderate size, with lateral extension anteriorly 



/. ponapensis Linnavuori (p. 158) 



9 (8) Claval spot yellow, moderate size . . /. flavomaculata Linnavuori (p. 154) 



Claval spot ivory, small ...../. yapicola Linnavuori (p. 157) 



Tharra flavomaculata flavomaculata Metcalf 

 (Text-figs 421-425) 



Tharra flavomaculata Metcalf, 1950 : 73. Holotype $, Caroline Is.: Truk Is., Dublon I., 

 23.xii.1935 (lost, see p. 155). NEOTYPE <J, Caroline Is.: Truk Is. (BPBM, Honolulu), 

 here designated [examined]. 



Tharra rubrovittata Metcalf, 1950 : 75. Holotype^, Caroline Is.: Palau Is. (BPBM, Honolulu) 

 [examined]. Syn. n. 



Tharra flavomaculata Metcalf; Metcalf, 1964 : 24. 



Tharra flavomaculata flavomaculata Metcalf; Linnavuori, 1960a : 290. 



Tharra rubrovittata Metcalf; Metcalf, i960 : 25. 



Tharra rubrovittata Metcalf; Linnavuori, 1960a : 289. 



Length: £ 4"30-4"50 mm, § 5 '00-5-30 mm. 



General colour rufous in $, fuscous with ivory spots on clavus in 9. sexual dimorphism 

 apparent. Crown light fuscous; eyes deep rufous; pronotum ochraceous to fuscous; scutellum 

 ochraceous to light griseous; elytra with three broad, long, rufous vittae on anterior portion 

 and with fuscous apex in <J; clavus with prominent ivory or yellow spots and numerous small 

 ivory or yellow spots near apex of elytra in 9; clypeus ochraceous posteriorly with a fuscous 

 band anteriorly in both sexes; clypellus ochraceous in both sexes. 



Male pygofer in lateral aspect with long, broadly sinuate, narrow process arising from near 

 middle of caudal margin, process with lateral margins nearly equidistant, broadly curved, 

 sinuate, apex pointed; aedeagus in lateral aspect with dorsal appendage broad throughout, 

 slightly curved subapically, without spines or flanges; ventral appendage short, narrow, broad 

 basally, apex basad of apex of dorsal appendage; gonopore apical; connective Y-shaped; 

 style hooked apically; plate with distal segment elongate, posterior margin broadly expanded 

 subapically. 



Female seventh sternum with posterior margin produced medially, slightly notched at middle. 



Distribution. Caroline Islands. 



Specimens examined. 



Tharra flavomaculata Metcalf, neotype $, Caroline Is.: Truk Is., Dublon I., 

 9.1.1936 (Z. Ono) (BPBM, Honolulu). Tharra rubrovittata Metcalf, holotype 

 [not $ as stated by Metcalf, 1950 : 76], Caroline Is.: Palau Is., Babelthuap I., 

 Melekeiok, 7.1V.1936 (Z. Ono) (BPBM, Honolulu). 



