White Pine Weevil: A Rearing Procedure and Artificial Medium1

Zerillo, R. T.; Odell, Thomas M.

doi:10.1093/jee/66.3.593

Cited by 8 publications

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“…Changes of the monthly production of weevils over six months before and after improving for rearing methods. The averages of productions "before" and "after" Julystrobi (Zerillo and Odell, 1973;Trudel et al, 1994). The most successful example of artificial mass rearing of weevils is that of the boll weevil (Sikorowski et al, 1983).…”

Section: Discussionmentioning

confidence: 99%

Reducing rearing cost and increasing survival rate of West Indian sweetpotato weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae) on artificial larval diet

Shimoji

Yamagishi

2004

Appl. Entomol. Zool.

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Because the ingredients of the artificial larval diet (the basic diet) used to mass-rear the West Indian sweetpotato weevil Euscepes postfasciatus were expensive, so we substituted materials at 1/3 of the price (the low-cost diet). There was no difference in the survival rate of the weevil between those reared on the basic diet and those on the low-cost diet. As the quantity of artificial diet per rearing tray was increased, the survival rate of the weevil rose significantly up to 30 g of diet. The survival rate of the weevil was increased 1.6 fold by inoculating eggs in scratching lines 1 mm deep and 1 mm wide on the surface of the artificial larval diet. One hundred fifty eggs per rearing tray was probably a reasonable number because the survival rate and the actual number of surviving weevils at 150 eggs did not differ significantly from their respective maximums for other numbers of eggs. Rearing of 45,000 weevils per month was established using these methods. This represents a 4.5 fold increase compared to culturing by the conventional method. The new mass-rearing method could produce 1.6 adult weevils per gram of diet.

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Section: Discussionmentioning

confidence: 99%

Reducing rearing cost and increasing survival rate of West Indian sweetpotato weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae) on artificial larval diet

Shimoji

Yamagishi

2004

Appl. Entomol. Zool.

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“…Previous studies showed that it is possible to produce white pine weevil colonies under laboratory conditions with an artificial diet (Zerillo and ODell 1973;Trudel et al 1994). A diet with a concentration of 5% ground white pine bark allows the insect to develop from egg to adult, but fails to stimulate oviposition (Trudel et al 1994).…”

Section: Introductionmentioning

confidence: 99%

Gonadal Development and Egg-Laying Response of Female White Pine Weevils Reared on Artificial and Natural Diets

1998

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Reproductive processes in female Pissodes strobi (Peck) fed with a 5% ground bark artificial diet following summer emergence were studied. Females exposed to different temperature and photoperiod regimes were dissected every other week and their reproductive organs were observed to evaluate the maturation time according to the treatments. After 12 weeks, half the females were transferred onto lateral branch sections of white pine and the other half onto artificial diet supplemented with 10% ground bark of white pine, and their realized fecundity was determined. During the first 12 weeks, ovary development was detected but very few mature oocytes were found. No significant differences were observed for the maturation times between the different abiotic conditions used, but significant differences were observed in female egg-laying response on natural and artificial diets. Females that completed their sexual maturation at 24 °C and 16L: 8D laid over a 3-week period 14.4 ± 8.8 (mean ± SE) and 2.6 ± 2.6 eggs per female on white pine sections and artificial diet, respectively. Oviposition behaviour was compared with results from an earlier experiment conducted with spring-emerging white pine weevils on natural and artificial substrates. The egg-laying responses on white pine seedlings and on an artificial diet with a concentration of 15% ground white pine bark were 0.892 ± 0.124 and 0.171 ± 0.394 eggs per female per day, respectively.

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Coleoptera

Singh¹

1977

Artificial Diets for Insects, Mites, and Spiders

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White Pine Weevil: A Rearing Procedure and Artificial Medium1

Cited by 8 publications

References 0 publications

Reducing rearing cost and increasing survival rate of West Indian sweetpotato weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae) on artificial larval diet

Reducing rearing cost and increasing survival rate of West Indian sweetpotato weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae) on artificial larval diet

Gonadal Development and Egg-Laying Response of Female White Pine Weevils Reared on Artificial and Natural Diets

Coleoptera

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