295 
Descriptions of New Chalcid-Flies from Hawaii and Mexico 
(Hymenoptera). 
BY P. H. TIMBERLAKE. 
(Presented at the meeting of December 6, 1923.) 
The types of the Hawaiian species described in this paper 
are deposited in the collection of the Hawaiian Entomological 
Society, and those of the two Mexican species of Encyrtidae 
are in the collections of the Hawaiian Sugar Planters’ Experi- 
ment Station. 
ENCYRTIDAE. 
Acerophagus debilis n. sp. Fig. 1. 
This species is most like notativentris (Girault) among previously de- 
scribed species, and differs in the position and arrangement of the oeelli, 
in the much more clavate antennae, and by lacking a fuscous mark on the 
abdomen of the male. 
Female. Head of the same general shape as in other North Ameriean 
A 
Fig. 1. <Acerophagus debilis. A. Antenna of female. B and C, Mandi- 
ble in dorsal and frontal views. 
species of the genus, but rather thicker fronto-occipitally than in most 
species; in dorsal view fully rounded on the sides and in front; in side 
view thickest opposite the anterior ends of the eyes, the planes of the 

Proe. Haw. Ent. Soe., V, No. 3, December, 1924. 
