132 



NEW YORK STATE MUSEUM 



infested with a Hemichionaspis and from Piper nigrum 

 infested \\ith Hemichionaspis aspidistrae, respec- 

 tively. These two Indian forms are readily separated from American 

 species by the shorter and relatively broader apical lobe of the basal 

 clasp segment. The American representatives may be zoophagous. 



PECTINODIPLOSIS n. g. 



The species referred to this genus differs so markedly from 

 Thecodlplosis, from wh'ch it is distinguished by the triarticulate 

 palpi, and from Dentihbula in genital characters that a new genus 

 is proposed with Contarinia erratica Felt as the type. 

 The triarticulate palpi, the broadly rounded apical lobe on the basal 



Fig. 45 Pectin odi- 

 plosis erratica, fifth 

 antennal segment of 

 male (enlarged, original) 



Fig. 46 Pectinodiplosis 

 erratica, palpus of male 

 (enlarged, original) 



clasp segment and the convolute strongly curved terminal clasp 

 segment with its long, comblike teeth serve to distinguish it from all 



other bifili. 



Pectinodiplosis erratica Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 391 (Contarinia) 

 This species, received through the courtesy of the United States 



National Museum, was reared April 16, i8g6 and bears the number 



205 



