Disonycha glabrata
(Fabricius, 1775)
pigweed flea beetle
Disonycha glabrata, commonly known as the pigweed , is a of striped flea beetle in the Chrysomelidae. It is a herbivore associated with Amaranthus retroflexus (redroot pigweed), on which it feeds and within which it lays . The species has been documented across North, Central, and South America. Larval development includes three stadia totaling approximately 9.1 days, followed by a 13.5-day soil-dwelling period.
Pronunciation
How to pronounce Disonycha glabrata: /dɪˈsɒnɪkə ɡlæˈbreɪtə/
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Distribution
Recorded from North America, Middle America, and South America. Specific localities include Montería and Pasto in Colombia.
Diet
Feeds on Amaranthus retroflexus (redroot pigweed). are laid within this plant.
Host Associations
- Amaranthus retroflexus - herbivoreprimary food source and oviposition site
Life Cycle
Larval development proceeds through three stadia: first stadium lasts 3.6 days, second stadium 2.6 days, and third stadium 2.9 days. During the third stadium, larvae spend 13.5 days in soil.
More Details
Larval Development Timing
Total larval stadium duration is approximately 9.1 days, with an additional 13.5 days spent in soil during the third stadium.