1914] 
Girault: Chalcidoid Family Trichogrammatidae 
67 
c. Antennae 7-jointed, one ring-joint, the club 3-jointed. 
(1) . Ovipositor long, inclosed to its tip within the long and 
tubular terminal segment of the abdomen which is nearly a 
third of the latter’s length. 
Abdomen long and pointed, the legs long and slender; 
wdngs moderately narrow, with long marginal cilia and 
not quite perfect. Prestwichia Lubbock (Type: P. aquatica 
Lubbock) 
(2) . Ovipositor long and nakedly exserted, the abdomen not 
tubular. 
Club of antenna not swollen; ovipositor exserted for 
about a third of the abdomen’s length; discal cilia of fore 
wing in regular lines; oblique line of cilia from stigmal 
vein present. Centrohiella Girault (Type: C. mulierum 
Girault) 
Club of antenna swollen; ovipositor exserted for only 
about a sixth of the abdomen’s length; discal cilia of fore 
wing moderately dense, normal; oblique line of cilia from 
stigmal vein absent. N eocentrobia Girault (Type: N. cara 
Girault) 
d. Antennae 6-jointed, without a ring-joint, the club 3-jointed; ovi- 
positor nakedly exserted and long. 
Antennae cylindrical, filiform, the club not distinct; abdomen 
acuminate; discal cilia of fore wing in regular lines; ovipositor 
exserted for about half the length of the abdomen. Centrohia 
Foerster (Type: Trichogramma walkeri Foerster) 
The males of Abbella, Ittys, Japania, Oligosita, Chaetostricha, Centrobia, 
N eobrachista, Centrobiella and Prestwichia are essentially the same as the 
females; but in Ufens the male antennae are cylindrical and 9-jointed,the 
club terminating in a small fourth joint. The male of Brachysticha, Brachy- 
gramma, Ufensia, Neocentrobia, Pseusdogramma and Neobrachistella are 
unknown. 
Tribe 2. Ophioneurini {Females) 
The funicle of the antenna is absent. 
A. Antennal club 5-jointed or more than 5-jointed. 
a. Ovipositor distinctly exserted; antennal club 7-jointed. 
Antennae 9-jointed, without a ring-joint, the club 7-jointed, 
stout. Fore wings moderately broad, the marginal vein mod- 
erate in length, apparently curved; stigmal vein curved, distinct 
wdth a neck. Ovipositor much exserted. Ophioneurus Ratze- 
burg (Type: 0. signatus Patzeburg) 
b. Ovipositor not distinctly exserted, at the most but slightly ex- 
serted; antennal club 5-jointed. 
(1). Antennae 9-jointed, wdth two ring-joints; marginal vein 
long and slender. 
