CLUSIIDAE (HETERONBUEIDAE) AND SAPROMYZIDAE. 201 



wings. Upper surface of fore tarsi with erect, curled, black hairs, distinctly 

 longer than diameter of segments upon which they are situated ; outer cross- 

 vein in wing about half its own length from inner one. 

 Length, 3 mm. 



Upolu : Afiamalu, type 7.xi.l925 (Wilder). This specimen is in the 

 Bishop Museum, Honolulu. 



Even allowing for the contingency of sexual dimorphism, it would appear 

 impossible that the forms described above are the male and female of the same 

 species, the cases where wing-markings are absent in one sex and present in the 

 other being normally the reverse of that exhibited here. More material, in 

 much better condition, is, hoAvever, required before a definite decision can be 

 made. 



SAPROMYZIDAE. 



In the work to which reference has already been made. Dr. Bezzi did not 

 attempt to place the Fijian species in their proper genera, as distinguished in 

 the recent papers by Dr. F. Hendel and myself ; and without access to his 

 species it is impossible to decide the exact status of all of them. It is, however, 

 evident from Bezzi's statement that all of the species placed by him in Sapro- 

 myza have the small black setulae on the costal vein extending to the end of 

 third vein, that all are referable to the genus Homoneura van der Wulp sens, 

 lat. Whether the species belong to several subgenera can only be determined 

 by an examination of the type specimens, but it appears probable that Sapro- 

 myza acrotoxa Bezzi is a Griphoneuroides. Griphoneura insignis Bezzi is very 

 probably referable to the same subgenus of Homoneura, since no true species 

 of Griphoneura is yet known to occur in the Orient. 



The peculiar Fijian genus Encyclosis Bezzi is not represented among the 

 Samoan material before me. 



Bezzi was in error in placing three Fijian species in Drosomyia de Meijere. 

 The species in question belong to Trypaneoides Tonnoir and Malloch, a genus 

 found in Asia, and extending southward to New Zealand. I have examined the 

 genotype of Drosomyia, and find that it lacks the discal bristle on the mesopleura 

 which characterizes Trypaneoides. 



