>G4 



Length of body 5.00-5.50111111. 



Length of head with mandibles 2.50-2.63111111. 



Length of head without mandibles T.63mm. 



Width of head 1.25- 1.31mm. 



Width of pronotum 0.90 u. 97 mm. 



Length of pronotum 0.56-0.63 mm. 



Worker: Head yellow; abdomen whitish. Head sparingly pilose; 

 abdominal tergites densely covered with hairs. 



Antennae 15-jointed, basal joint cyhndrical, 2nd nearly as long as 3rd 

 and 4th taken together; pronotum subreniform, its anterior and posterior 

 borders indented at middle, narrower than mesonotum ; metanotum 

 l^roader than mesonotum. 



Length of head 4.00111111. 



Width of head 1.28 mm. 



Width of pronotum 0.8r mm. 



Hal).: ]roiiolulii, Oalm. Hawaiian Islands. 

 Remarks : The nearest relative of the present species seems 

 to lie Coptotermes formosanus Shiraki, from the Island of 

 Formosa, which causes most serions damage to wooden struct- 

 ure.*. It differs, however, from the latter in having the fol- 

 lowing characters: Imago is provided with larger pronotum; 

 head of the soldier does not converge anteriorly, measuring 

 1.25-1. 31mm. X 1.63mm., instead of l.lSmni. X l..")Gmm. 



Notes on Callithmysus microgaster (Sharp). 

 ( Coleoptera, Plagithmy sides ) . 



BY O. H. SVVEZEY. 



This beetle was first collected by Blackburn (3 specimens), 

 and described as a Clijtarlus by Sharp in Tr. Ent. Soc. Lon- 

 don, p. 103, 1879. It is next mentioned in Tr. Dublin Soc. 

 (2), III, p. 261, 1885. "Rare, in decaying wood on the 

 mountains near Honolulu, at an elevation of 2000 feet. 

 June". (Blacklmrn). It is figured in the same pnldication. 

 (PL V, fig. 46). 



In Fauna Hawaiiensis, II, p. 113, 1900, Sharp places it in 

 the genus Callithmysus, and adds var. hirtipes( ?) based on 

 "One individual on the ridge leading from the head of Panoa 



Proc. Haw. Entom. Soc, IV, No. 2, June, 1920. 



