Eur. J. Entomol. 114: 291-294, 2017 | DOI: 10.14411/eje.2017.035

Biological parameters of Duponchelia fovealis (Lepidoptera: Crambidae) reared in the laboratory on two diets

Maria A.C. ZAWADNEAK, Rodrimar B. GONÇALVES, Alex S. POLTRONIERI, Bráulio SANTOS, Adélia M. BISCHOFF, Aline M. BORBA, Ida C. PIMENTEL
Federal University of Paraná, Department of Basic Pathology, 81510-001 Curitiba, Paraná, Brazil; e-mails: mazawa@ufpr.br, rodrimar@engenheiroagronomo.com, alex.poltronieri@yahoo.com.br, bsantos@ufpr.br, adelia_m_b@yahoo.com.br, alinemaryborba@yahoo.com.br, ida@ufpr.br

Duponchelia fovealis Zeller is a polyphagous insect that has been recently reported attacking strawberry plants (Fragaria x ananassa Duchesne). Despite its economic importance there are few studies on this pest because it is difficult to rear it in the laboratory. With a constant supply of insects, studies on alternative methods of pest control can be conducted. This study aimed at developing an artificial diet for rearing D. fovealis with biological characteristics similar to those reared on their natural diet. This study was carried out in a climate-controlled room (25°C ± 2°C, RH 70% ± 10%, and 14L : 10D). The natural diet consisted of 'San Andreas' strawberry leaves (D1), while the artificial diet (D2) was developed in which beans, casein, soy protein, yeast and wheat germ are used as sources of protein. Five instars were identified. D. fovealis completed its life cycle in 38 and 40 days when fed D1 and D2, respectively. Survival was highest for the larvae fed the artificial diet. Females fed D1 lay a mean of 300.2 ± 62.3 eggs, while those fed D2, 220.3 ± 41.8 eggs. The artificial diet is suitable for the continuous rearing of D. fovealis in the laboratory.

Keywords: Lepidoptera, Crambidae, Duponchelia fovealis, European pepper moth, strawberry, artificial diet, life cycle, development, reproduction, rearing, biological parameters

Received: September 20, 2016; Accepted: May 23, 2017; Published online: June 7, 2017Show citation

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ZAWADNEAK, M.A.C., GONÇALVES, R.B., POLTRONIERI, A.S., SANTOS, B., BISCHOFF, A.M., BORBA, A.M., & PIMENTEL, I.C. (2017). Biological parameters of Duponchelia fovealis (Lepidoptera: Crambidae) reared in the laboratory on two diets. Eur. J. Entomol.114(1), 2017.000. doi: 10.14411/eje.2017.035.
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