Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

ICHNEUMONIDAE: : Genus A


Diagnosis:

Characteristics of Genus A 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:as long, or longer than body; 8. Length of ovipositor:not longer than body; 9. Wings:present; 10. Colour of wings:mostly clear but with dark patches/spots; 11. Sternaulus (on mesopleuron):short; less than 0.5x length mesopleuron; 11. Sternaulus (on mesopleuron):long; more 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; 18. Sculpture on mesoscutum:finely pitted, many hairs; 19. Width of T1 (viewed dorsally):anterior part slender often parallel, strongly widening behind spiracle; 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 very short (not reaching beyond coxal insertion).

Distribution in NZ


North Island: AK. South Island: NN, SD, DN, OL, MK.

Species in NZ

Approximately four 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.

Citation

Ward DF & Schnitzler FR. 2013. Ichneumonidae of New Zealand. Genus A http://ichneumonidae.landcareresearch.co.nz
Accessed: 19 November 2019

Revised

v1.0. Ward DF & Schnitzler FR. 2013