Hypoderma lineatum

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Hypoderma lineatum 3rd instar larva (click on image to enlarge it)
Author(s): Ken Walker Museum Victoria
Source: PaDIL

Hypoderma lineatum (Villers, 1789) - (common cattle grub)

This warble fly is an important cattle parasite and widely distributed in North America, Europe, Asia and northern Africa. The larvae bore into the skin of cattle, causing myiasis. Infections result in weight loss, reduction in milk production, inferior meat and hide quality, leg paralysis, and sometimes blindness. Other large mammals like other bovids, horses or deer may be also parasitised.

The eggs are laid on the hairs of the host and the emerging larvae bore into the skin. During its development the grub migrates to different locations in the body and in each location, makes a hole in the skin for breathing. The fully developed larvae emerge from the skin in spring and pupate in the ground.

Vernacular names
• Deutsch: kleine Rinderdasselfliege
• English: common cattle grub
• Français: hypoderme rayé