44 Bulletin Wisconsin Natural History Society [Vol. 11, Nos. 1-2 
lated (only seen in certain lights); also both species are parasitic 
upon braconids. 
Genus Tetrastichus Haliday 
1. Tetrastichus laddi new species. 
$ : Length, 2.50 mm. 
Like the preceding species but the femora and pedicel concolorous, the 
distal funicle joint shorter. 
From many specimens, similarly magnified. 
c? : Length 2.00 mm. 
The same as the male of the preceding species but with the differences 
noted for the female. 
From many specimens, similarly magnified. 
Described from many specimens of both sexes reared from what 
appeared to be Apanteles cocoons taken from foliage of Careya 
australis in the forest, Nelson (Cairns), N. Q., A. P. Dodd. (April 
5, 1913). 
Habitat: Australia — Nelson, Queensland. 
Types: In the Queensland Museum, Brisbane, one specimen 
of each sex on a tag. 
Respectfully dedicated to William Ladd. 
Neotetrastichodes, new genus 
$ : Like Tetrastichodes Ashmead but the antennae with four ring-joints 
and the funicle of male antennae with long hairs; like Quadrastichodes but 
the funicle only 3-jointed. Male antennae with funicle 4-jointed, the club 
3-jointed, the first funicle joint shorter than the pedicel. Ring-joints 
extremely short. Mandibles tridentate. 
Type: Neotetrastichodes flavus n.sp. 
1. Neotetrastichodes flavus new species. 
$ : Length, 1.85 mm. 
Light orange yellow, the wings hyaline, the legs and scape concolorous 
with the body; middle of face dusky, also dorsum of abdomen obscurely. 
Flagellum dusky yellow. Funicle joints subequal, each slightly shorter 
than the pedicel; a spur ends the third club joint which is shortest. 
From one specimen, similarly magnified. 
cf : Length, 1.30 mm. 
The same but the cephalic part of the thorax is dusky and the abdomen 
wholly so excepting for a large whitish area centrally near base. Last 
funicle joint longest. 
From one specimen, same magnification. 
Described from a single pair captured by sweeping grass in a 
forest at Nelson (Cairns), N. Q., April 30, 1912. 
