Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua



Characteristics of Genus B include: 1. Body size (mm) (excluding antennae and ovipositor):<10mm; 2. Position of spiracle on Tergite 1 (T1 of metasoma):clearly behind the centre; 3. Shape of aerolet in forewing:other; 4. Colour of face:only black; 5. Metasoma compressed:dorsal-ventrally; 6. Size of Ocelli:small; 7. Length of antennae:shorter than body; 8. Length of ovipositor:not longer than body; 9. Wings:present; 10. Colour of wings:hyaline (clear); 11. Sternaulus (on mesopleuron):absent; 11. Sternaulus (on mesopleuron):short; less than 0.5x length mesopleuron; 12. Shape of face in lateral view:flat or only weakly bulging; 13. Sternite on T1(viewed laterally):sternite not extending past spiracle; 14. Shape of T1(viewed laterally):evenly curved; 15. Number of teeth in mandibles:1 or 2; 16. Patterns on metasoma:same colour throughout; 17. Length of T1 vs T2:subequal in length; 17. Length of T1 vs T2:T1 longer than T2; 18. Sculpture on mesoscutum:finely pitted, many hairs; 19. Width of T1 (viewed dorsally):gradually widening from anterior to posterior; 20. Glymma on T1:absent; 21. Sculpture on metasoma:smooth with a semi-glossy or satin appearance at least on T2; 22. Propodeum length:Propodeum reaching past coxal insertion, but not reaching halfway along metacoxae).

Distribution in NZ

North Island: AK. South Island: NN.

Species in NZ

One undescribed species of this unnamed genus discovered by ID Gauld in 1999.

Biology & hosts

Nothing is known about the biology of this genus.

Sources of information

Unpub. data, NZAC.


Ward DF & Schnitzler FR. 2013. Ichneumonidae of New Zealand. Genus B
Accessed: 13 July 2020


v1.0. Ward DF & Schnitzler FR. 2013