Home Analytical Chem Rearing and Long-Term Maintenance of Eristalis tenax Hoverflies for Research Studies
Analytical Chem JoVE (Open Access) Citable · DOI

Rearing and Long-Term Maintenance of Eristalis tenax Hoverflies for Research Studies

DOI: 10.3791/57711-v
What you'll learn
  • Establish and maintain a captive Eristalis tenax hoverfly colony from wild or larval sources
  • Apply appropriate housing, feeding, and environmental conditions for long-term hoverfly survival
  • Rear laboratory-reared Eristalis tenax from larvae through adult emergence
  • Evaluate colony health and population dynamics in a research setting
Protocol

The overall goal of these procedures is to establish, maintain and refresh a captive population of Eristalis tenax in a research setting.

Difficulty
intermediate
Total time
~2–4 weeks (colony establishment); ongoing daily maintenance; ~2–3 weeks (larval rearing to emergence)
Model organism
Eristalis tenax

Steps

1
Collect mature hoverfly larvae from field sites

Identify and harvest mature Eristalis tenax larvae from natural or semi-natural habitats. These larvae serve as a source for establishing or refreshing captive colonies.

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2
Collect wild adult hoverflies for colony foundation

Net or trap wild adult Eristalis tenax hoverflies from field locations to introduce genetic diversity and establish initial breeding populations in captivity.

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3
House and maintain hoverfly populations long-term

Establish appropriate enclosure conditions, temperature, humidity, photoperiod, food sources, and substrate to sustain adult hoverflies and facilitate breeding over extended periods.

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4
Rear Eristalis tenax from larvae to adult emergence

Provide larvae with appropriate growth medium, moisture, and environmental conditions to support development through pupation and emergence as healthy adult hoverflies.

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5
Evaluate colony maintenance and rearing success metrics

Monitor survival rates, development timelines, fecundity, and population stability to assess the effectiveness of rearing and maintenance protocols.

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