Locust Blowfly - Stomorhina lunata

    Alt Name
    Musca lunata

    A distinctive mid-sized blowfly which is sometimes mistaken for a hoverfly or Muscid. It has a three dark stripes on the thorax and a strongly protruding lower face. Tergites 3 and 4 (apparent 2 and 3) have orange patches on the side in males, or grey dust patches in females. 

    Similar Species

    Due to similar basic form and sexual dimorphism, it can sometimes be mistaken for The Face Fly (Musca autumnalis).

    Identification difficulty

    Adults are usually observed on umbellifers and other flowers.

    When to see it

    June to October.

    Life History

    The larva of Stomorhina lunata is a predator of the egg pod of Acrididae (locusts). It is not thought that the species can use any British grasshoppers so UK records are all considered vagrants.

    UK Status

    Once considered rare but now becoming more frequent in southern England. Found as far north as Lincolnshire and Nottinghamshire.

    VC55 Status

    Believed to be rare in VC55. The record from Narborough Bog is the first for VC55.

    Leicestershire & Rutland Map

    UK Map