42 



Head very deeply concave above, smooth and shining and 

 fringed behind with longish hairs; the antennae slender, with 

 long thin third joint, about one and a half times as long as the 

 fourth. Pronotum smooth and shining; mesonotum rugulose; 

 propodeum shining, traversely rugose behind, and thinly clothed 

 with long pale hairs. Abdomen smooth and shining, at the base 

 with some erect pale hairs, elsewhere glabrous. Length 2-3 mm. 



Hab. Bundaberg, Queensland; bred. 



NEOGONATOPUS, gen. nov. 



Differs from Gonatopus, as characterized above, only by the 

 4-jointed maxillary palpi, there being two not three joints beyond 

 the geniculation. 



Synopsis of Species. 



1. (4) Propodeum without hairs, and entirely black. 



2. (3) Head, neck, and anterior margin of pronotum ferrugin- 



ous, or pale yellowish brown; rest of thorax and 

 abdomen deep black . A^. paUidiccps. 



3. (2) Head above dark brown or blackish, or largely suffus- 



ed with dark colour iV". oinbrodcs 



4. (i) Propodeum with distinct erect hairs; sometimes fer- 



ruginous, wholly or in part. 



5 (6) Whole thorax ferruginous; tip of antennae white 



N. pidchcrrimus. 



6. (5) Propodeum at least (and sometimes most of the thor- 



ax) more or less dark; tip of antennae not white. 



7. (8) Propodeum dark brown, generally paler anteriorly; 



head above only lightly concave. . .A^. hrunnescens. 



8. (7) Propodeum black; head above strongly concave. 



9. (10) Whole pronotum and the neck in front of this clear 



ferruginous; propodeum dull, with very dense 

 sculpture A'', erythrodcs. 



10. (9) Pronotum mostly black, piceous, or dark brown; if in 



part it is rather distinctly red or ferruginous, then 

 the propodeum is polished and very shining. 



11. (12) Abdomen on its 'basal face with conspicuous erect 



hairs; propodeum highly polished. . ..N. dubiosus 



12. (11) Abdomen on its basal face without long erect hairs; 



propodeum not highly polished - .A^. obscurissiniiis. 



