132 NEW YORK STATE MUSEUM 
— 
infested with a Hemichionaspis and from Piper nigrur 
infested with Hemichionaspis aspidistrae, respec 
tively. These two Indian forms are readily separated from America: 
species by the shorter and relatively broader apical lobe of the basa 
clasp segment. The American representatives may be zoophagous 
PECTINODIPLOSIS Nn. g. 
The species referred to this genus differs so markedly fron 
Thecodiplosis, from which it is distinguished by the triarticulati 
palpi, and from Dentifibula in genital characters that a new genu 
is proposed with Contarinia erratica Felt as the type 
The triarticulate palpi, the broadly rounded apical lobe on the basa’ 

F. Fig.45 Pectinodi- 
F plosiserratica, fifth Fig.46 Pectinodiplosis . 
antennal segment of erratica, palpus of male 
male (enlarged, original) (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. Bul. 124, p. 391 (Contarinia) 
This species, received through the courtesy of the United States 
National Museum, was reared April 16, 1896 and bears the number 
037 
205°" :, 
