Mass-rearing of predatory earwig, Euborellia annulata (Fabricius), on artificial diet

Issue Date

4-2004

Abstract

Among the four diets tested, a 1:1 mixture of ground dog food and corn cob was the best. Based on biological parameters, the earwigs reared on this diet were the closest to those reared on Asian corn borer and red flour beetle preys. Earwigs reared on this diet had an average total nymphal period of 33 days and adult longevity of 72 days. A female adult laid an average of 4 egg batches with 54 eggs/batch. The percentage survival from egg to adult from four batches of eggs was 90%, with a sex ratio of 1 male to 6 females. Mass-rearing of earwigs using this artificial diet was less laborious compared to using preys and cheaper, with the 25,000 earwigs produced in two months costing about PhP 1,610.00 or only PhP 0.06 per earwig.

Source or Periodical Title

Philippine Entomologist

ISSN

0048-3753

Volume

18

Issue

1

Page

16-23

Document Type

Article

Frequency

semi-annually

Physical Description

illustrations; table

Language

English

En – AGROVOC descriptors

DERMAPTERA; OSTRINIA FURNACALIS; MINSECTA; PREDATORY INSECTS; PLANT PESTS; MASS REARING; BIOLOGICAL CONTROL AGENTS; LIFE CYCLE

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