158 M. W. NIELSON 



light fuscous; elytra deep fuscous in g with a few pale spots on apical portion of wing; elytra 

 deep fuscous in § with several small, pale spots; clypeus ochraceous with a broad, fuscous 

 band anteriorly, absent in 0_; clypellus fuscous in both species; external morphological 

 characteristics as in the nominate form, flavomaculata ; male and female genitalia as in nominate 

 form, flavomaculata. 



Distribution. Micronesia: Caroline Islands, Mariana Islands (new record), 

 Guam (new record) . 



Specimens examined. 



Tharra flavomaculata yapicolaLinmiVuori, holotype <$ and allotype $, Caroline 

 Is.: Yap, hill behind Yaptown, 60 m, 3.xii.io,52 (J. L. Gressitt) (USNM, Washington). 



Caroline Is.: Yap I., 7 ^ 1 ?, 3.XU.1952 (/. L. Gressitt); Yap I., Mt Gillifies, 1 g, 1 $, 

 29.xi.1952 (/. L. Gressitt); Yap I., Yap, Mt Matade, 95 m, 1 g, 2 §, i.xii.1952 (/. L. Gressitt). 

 Mariana Is., Guam I., Pt Ritidian, 1 g, x. 1952 (N. L. H. Krauss); 1 $, i.viii.1945 (/. L. 

 Gressitt) . 



Biology. Unknown. 



Remarks. This subspecies of flavomaculata can be separated from the others 

 by the colour patterns on the forewings and the distribution. The forewings 

 of both species are unicolourous, and the subspecies occurs in the western end of 

 the Caroline Islands and on Guam on the southern extremity of the Mariana Islands. 



Tharra flavomaculata ponapensis Linnavuori 



Tharra flavomaculata ponapensis Linnavuori, 1960a : 292. Holotype $, Caroline Is.: 

 Ponape (USNM, Washington) [examined]. 



Length: $ 4-90 mm, $ 5-40 mm. 



General colour light fuscous with numerous red markings on the forewing in g, deep fuscous 

 with orange and ivory markings on forewings in $; sexual dimorphism apparent. Crown, 

 pronotum and scutellum ochraceous in <§, light fuscous in $ with fuscous markings on pronotum 

 and scutellum; elytra fuscous to partially testaceous with numerous red vittae and spots all 

 along elytra in g, fuscous with numerous markings on elytra in $; clavus marked with a broad, 

 pale spot. The external morphology of this subspecies is the same as in the nominate form, 

 flavomaculata; male and female genitalia as in flavomaculata, the nominate form. 



Distribution. Caroline Islands: Ponape Islands. 

 Specimens examined. 



Tharra flavomaculata ponapensis Linnavuori, holotype <$ and allotype $, Caroline 

 Is.: Ponape, Mt Kupwuriso, 60 m, 10.iii.1948 (Dybas) (USNM, Washington). 



Caroline Is.: Ponape, Matalanim Plantation, 2 J, 2 ?, vi.-ix. 1950 (P. A. Adams); Ponape, 

 Tolotom, 3 (J, vi.-ix. 1950 (P. A. Adams); Ponape, Mt Kupuriso, 2000ft, 1 $, 10.iii.1948 

 (H. S. Dybas); Ponape, Palang, W. Coast, 15 m, 1 <J, 10. i. 1953 (/. L. Gressitt); Ponape, Mt 

 Beirut, 1 $, vi-ix. 1950 (P. A. Adams); Ponape, Mt Tolenkiup, 1 g, vi.-ix. 1950 (P. A. Adams); 

 Ponape, Mt Dolennankap, 1700-2000 ft, 1^,1$, 10.viii.1946 (H. K. Townes); Ponape, Kiti, 

 1 $, 12.viii.1946 (R. G. Oakley). 



Biology. Unknown. 



Remarks. This subspecies occurs on the eastern end of the Caroline Islands 

 and can be distinguished by the colour markings on the wings. 



