264 MEMOmS OF THE QUEENSLAND MUSEUM. 



tibial sinus slender, nearly colorless. Mandibles tridentate, the inner tooth shorter and rather 

 broadly truncate. Thorax densely, finely scaly. Propodeum without a distinct median impres- 

 sion, scaly and finely rugulose, brown. l'ro])leurum suffused with yellowish. 



Bahilnl : Gordonvale (Cairns), Queensland. Reared from galls. December 12, 1912 

 (A. P. Dodd). Forest. 



Type: No. HyS'SSl. Queensland Musenui. Brisbane. 



2. XANTHOSOMA PULCHRICORPUS new species. Female. 



Length, 2.20 umi. 



Honey yellow, the dorsum of the abdomen with broad nearly confluent black stripes 

 across it, the seutellum and i>ropodeura black, also the area Ixiunded by the ocelli and a large 

 rounded spot at base of scutum centrally. Wings hyaline. Antenna; and legs honey-yellow. 

 First funiele joint subequal to the pedicel which is fuscous; club only 2- jointed, apparently 

 ;i-jointed. Marginal vein stout; fifth segment of abdomen a half or less longer than the 

 fourth. Propodeum with a distinct median channel with carinated sides. Hind tibia} with 

 two spurs. Margins of seutellum yellow, also segment 2 of abdomen, the latter glabrous. 

 Funieles 2 .'5 wider than long. 



Hahitat: Magnetic Island, Townsville. Forest. .January. 



Type: No. TIySS63, Queensland Museum, Brisbane, the female on a tag, a caudal tibia 

 MTul portion of an antenna on a slide. 



3. XANTHOSOMA HAECKELI new species. Female. 



Length, 1.60 mm. 



Black, the wings hyaline; legs and petiole straw yellow; abdomen at base above inmost 

 of segment 2), beneath and along sides at pro,\imal half, sides and venter of thorax (excejit 

 the last region), parapsides and axilla} (both the latter darker), reddish yellow. Thorax rather 

 densely finely reticulately lined, the projiodeum with a broad, scaly, longitudinal mesial path, 

 not impressed, limited laterad by a distinct carina; rest with several irregular ruga;. Face 

 and cheeks lemon yellow; antenna; black, the scape yellow, funiele joints all somewhat wider 

 than long, except the first which is subquadrate, subequal to the pedicel. Second tooth of 

 mandible broadly, concavely truncate, nearly forming two teeth. One spur of hind tibia 

 much shorter. Antennae 9- jointed, the club not truly divided in the usual place; one ring- 

 joint. Propodeum sparsely rugulose. . Fifth abdominal segment somewhat the longest. Post- 

 marginal vein a little shorter than the stigmal which is a lialf shorter than the somewhat 

 thickened marginal. Petiole somewhat longer than wide. Scutum and seutellum with a 

 number of obscure pustule-like punctures. 



Habitat: Gordonvale (Cairns), Queenslan.l. .lungle. .June ■>, 1913 (A. P. Dodd). 



Tyjii : No. Hy3S6S, Queensland Museiun. Brisbane, the female on a tag and a slide 

 liearing tlie head and a hind leg. 



Genus AXANTHOSOMA Girault. 



Like Xuiitliotoma Ashmead but the abdomen plainly twice the length of the head and 

 thorax combined. Allied with Aximogaxtra Ashmead but abdominal segments less equal, the 

 abdomen beyond the seventh segment produced into a thin setiform process as long as the 

 head and thorax combined ; segments .5 and 6 are about equal, long, each about twice the 

 length of 4. Head and thorax not umbilicately i>unctate only finely transversely wrinkled. 

 Stigmal and postmarginal veins unequal. Segment of abdomen a little longer than segment 

 yt. Hind tibiifi with two spurs. First funiele joint longer than the pedicel, only about two 

 thirds the length of the scape; a few scattered thimble punctures on the propodeum. Antennae 

 10 jointed. 



