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How to Manage Pests

UC Pest Management Guidelines

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Small Grains

Range Crane Fly

Scientific name: Tipula spp.

(Reviewed 2/07, updated 2/07)

In this Guideline:

DESCRIPTION OF THE PEST

Range crane fly larvae are pale brown, legless maggots that are often called leather jackets because of their leathery appearance. Mature larvae may reach 1 inch in length.

DAMAGE

Damage is caused by the larval stage and is primarily confined to rangeland and grasses, but occasionally dryland grains planted in the foothills may be injured. Damage generally occurs from late December through February and is first apparent as areas of dead or dying plants throughout the field. Larvae feed on plant roots and may emerge from the soil at night to feed on the plant crowns.

MANAGEMENT

No pesticides are registered for use on range crane fly on small grains.

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Small Grains
UC ANR Publication 3466
Insects and Mites
C. G. Summers, Entomology, UC Davis/Kearney Agricultural Center, Parlier
L. D. Godfrey, Entomology, UC Davis
Acknowledgment for contributions to Insects and Mites:
D. Gonzalez, Entomology, UC Riverside

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