143 INSECUTOR INSCITI.C MENSTRUUS 



imal two-thirds and at distal fifth. Mesopleurum scaly. Hind 

 tibial spurs not seen. Marginal vein black, over twice the 

 length of the stigmal. Except for the club about as in the 

 genotype. Ovipositor free. 



From one female on a slide in U. S. National Museum, 

 labeled "1149. Mytilaspis (Chionaspis) casurinae Mask. Bris- 

 bane, Queensland, January 2, 1900. On Casuarina. A. Koe- 

 bele." 



Type: Gat. No. 20891, U. S. Nat. Mus., the above specimen. 



B. parsimilis Girault is the same as the genotype, a variant. 



TACHINACPHAGUS, new genus 



Female. — In my table to the earth's encyrtine genera run- 

 ning to Parasyrpophagiis Girault but differs in being much 

 more robust, the head is not strongly inflexed but only mod- 

 erately so, from cephalic aspect a little wider than long, the 

 frons broad. Marginal vein three and a half times longer 

 than wide, subequal to the postmarginal. Thorax convex, 

 the scutum and scutellum large, the axillae united and with a 

 short carina between them. Abdomen fiat, as large as the 

 thorax. One short ring-joint. Ovipositor just tipping the 

 abdomen. 



Tachinacphagus australiensis, new species. Genotype. 



Female. — Length, 2. mm. Very dark metallic green, the 

 wings hyaline, the venation sub fuscous, the legs, scape, pleura 

 and venter of thorax, reddish yellow; propodeum and axillse 

 slightly yellowish. Scape somewhat compressed, the pedicel 

 subelongate, twice longer than wide at apex, subequal to funicle, 

 which widens distad and is much the longest, the other joints 

 short, 2 a little longer than wide, 5 and 6 a little wider than 

 long, cupshaped ; funicles 2 and 3 oval. Club no wider than 

 the funicle which is submoniliform ; club 3 longest, conic, as 

 long as wide, 1 and 2 wider than long, distinctly so ; club not 

 half the length of the funicle, shorter than the scape, not 

 obliquely truncate, the joints well separated. Mandibles mod- 

 erately long, the first two teeth subequal, subobtuse, the third 

 small, not half the size of the others which are of good size 



