Social Pear Sawfly - Neurotoma saltuum

    Description

    Male: 9 to 12 mm, Female: 10 to 14mm.  Females are a broadly dull dark insect with yellow on the head between the antennae and yellow also are the two basal antennal segments, tegulae, legs and posterolateral flecks on tergites 3 to 7. Darkness of the abdomen is variable from black to yellowish-brown. Males are lighter and have the face and forward parts of the frons yellow with the genae more or less black. The abdomen is often an orangey-brown colour. The larvae are orange coloured with a black head.

    Identification difficulty

    Adult Larva

    Recording advice

    Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

    Larva: Please include a photo with your larval records.

    Habitat

    Associated with rosaceous plants including pear, hawthorn and plum.

    When to see it

    Adult flight period is May to June.

    Life History

    Larvae feed in communal webs of up to 60 individuals.

    UK Status

    Widespread in England and Wales although rather infrequently recorded. 

    VC55 Status

    Rarely recorded in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map