Harlequin Bug
Murgantia histrionica
moderate risk
insect
Overview
Colorful stink bug that is the most important pest of brassica crops in the southern United States.
15mm, black with bright red, orange, and yellow markings in distinctive pattern. Shield-shaped.
Prevention Strategies
- •Remove mustard weed hosts nearby
- •Trap crop of mustard or kale
- •Row covers early in season
- •Remove plant debris in fall
Control Methods
- •Hand-pick into soapy water
- •Pyrethrin or pyrethroid spray
- •Kaolin clay deterrent
- •Neem oil spray
Interesting Facts
- •One of the most beautiful insects despite being a pest
- •Emits strong odor when disturbed like all stink bugs
- •Very difficult to control with insecticides
- •Nymphs resemble multicolored spheres