Mesopolobus subfumatus

Description

A small metallic green wasp. Forewing usually with a small brownish cloud on or below but touching the stigmal vein. Propodeum characteristically sculpted. 

Identification difficulty
Recording advice

Unless identified by a recognized expert, explain how the specimen was identified and submit photos of key features. 

Habitat

Females overwinter in conifers and evergreens. 

When to see it

All year. 

Life History

Chiefly a primary parasite of Diprion spp. sawflies, attacking the cocoons; occasionally hyperparasitic through Ichneumonidae or Braconidae. 

UK Status

Common and widespread. 

VC55 Status

Unknown. 

Further Information

Graham, MWR de V. (1969) The pteromalidae of north-western Europe (Hymenoptera: Chalcidoidea). Bull. Br. Mus. nat. Hist. (Ent.) Suppl. 16. 

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Species group:
insect - hymenopteran
Kingdom:
Animalia
Order:
Hymenoptera
Family:
Pteromalidae
Records on NatureSpot:
1
First record:
10/03/2026 (Cann, Alan)
Last record:
10/03/2026 (Cann, Alan)

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% of records within its species group

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