AISTVALIA^ IIYMESOTTKIIA CJfALCJDOIDEA, V.—GUIAVLT. 
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inodian ('Uiina, . its sjdracio lav^o and nearly roaiid. Alidonien short and stout, no longer tlian 
the thorax, its seeond segment (K-enjiying half of the surfaet*. Rciitellnm longer than the 
})ropodeuni. Posterior tibiae apparently nitli but one apical spur. The male is the same, but 
abdomen more depressed and eylindric; antenna?, entirely dilTerent, the scai)e much shorter, 
dilated ventraily, ]iodicel nor nmch longer than thick, the ring-joint like a ring; first funicle 
Joint very transvoj“^t‘ and lamellate, follou'ing five joints increasing in length, each bearing a 
long, curved, cylindrical ramus from its disto-lateral jnargiu, joint 2 no longer than the 
diameter of its ramus and ]tractically forming a continuation of it, joint 3 slightly longer 
than wide; joint fi much longer than wide; Ihe rami longer proxiinad, the shortest and 
distal one distinctly longer than ;niy single joint of antenna. Proxiinal joint of club elongate 
obeonic, forming lialf of the clul) and lunger than the distal fiiniole joint; tlie other two club 
joints snhequai. Funicle and rami with sparse, rather long, fine hairs. Alale antennae 
12-jointed. 
1. MELANOSOMELLA FLAVIPES Girault. Female, male. Genotype. 
Length, 3 mm. 
Black and shining; face, genae, legs (excejit coxin, tlie t.arsi more brownish), scape 
(exce]tt at tip where it is Idackish), margins of eyes <Iursud and caudad more or less obscurely, 
lemon yellou ; black of tin* xertex at meson projecls obtusely into the yellow of face, some 
distance directly cejilmlo \'enl rad of cephalic ocellus. Tegula brownish. Fore wings with a 
distinct bi’ownish band iieaidy across it from the apex of submargiiial vein; this stripe Is 
interrupted. Venation black. Antennal fiagellum brownish, subfuscons. Face with thimble 
punctures. Remainder of body apparently simple and shining more or less. The fuscous stripe 
on the wing of the inale is subobsolete. 
Habitat: Xe\v South Wales. Galls on Eucalyptus. 
Types: Xo. HyllOS, Queensland Museum, Brisbane, a pair on two tags, the antenna) 
on a slide. 
DIAGX'OSrS OF THE AUSTRALTAX GEXERA OF PERIEAArPTDHC. 
Females. 
Abdomen sessile. Parapsidal furrows normal. 
Antenn® inserted ventrad of the middle of the face, near the clyjieus. Sciitellum flat. 
Axilla? separated. 
Antenna? 13-jointed with three ring-joints, the clnl) 3-joiiited; jiostmarginal vein 
somewhat longer than the marginal, subequal to the stigmal. Xonmetallic; 
impunctate .. CcELOCVBOMnA Girault (Type; C. sexfasciata Girault). 
Antenna* 12-joiuted with tlu'ee ring-joints, the club 2-jointod; postmarginal vein 
Fubeqnal to the stigmal and somewhat shorter than the marginal. Metallic, 
impiinetate. Scntellum with a punctate cross-furrow before apex 
Eucceloctbomyta (Type: E. aerea Girault). 
Antenna) inserted on or near the middle of the face; scntellum usually convex. Axill® 
sometimes not separated. 
Seutellum long, projecting caudad to middle of the abdomen but not produced at 
apex; scape flat and broad. 
Antenna) ]3-jointed with one ring-joint; postmarginal vein longer than the 
marginal. Metallic; punctate .. 
Euperilampoibes Girault (Type: E. sciitellaius Girault). 
