Interactive effect of diet and temperature on instar numbers in Spodoptera litura, with reference to head capsule width and weight

Hyoung ho Mo, Keun Bok Jang, Jung Joon Park, Sung Eun Lee, Key Il Shin, Joon Ho Lee, Ki Jong Cho

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effects of diet and temperature on instar numbers and head capsule width in Spodoptera litura F. were compared among individuals reared on an artificial diet, lettuce and perilla leaves at 25 and 30. °C. The number of instars that the insect completed varied as diet and temperature were changed. All the larvae developed through seven instars at 25. °C regardless of diet, but at 30. °C, the number of instars varied depending on the diet. All larvae fed on lettuce leaves had six instars, while larvae fed on the artificial diet passed through seven instars. On perilla, 52% of larval individuals had six instars, and the rest had seven instars. Head capsule width could be used effectively to determine the developmental stage of individual larvae. The frequency distribution of head capsule width showed six or seven distinct peaks, depending on diet and temperature conditions. The relationship between mean head capsule width and weight of larvae was described using an exponential model.

Original languageEnglish
Pages (from-to)521-525
Number of pages5
JournalJournal of Asia-Pacific Entomology
Volume16
Issue number4
DOIs
Publication statusPublished - 2013 Dec 1

Fingerprint

Spodoptera litura
instars
diet
temperature
larvae
Perilla
artificial diets
leaf lettuce
lettuce
developmental stages
insects

Keywords

  • Ecdysis
  • Instar number variation
  • Molt
  • Tobacco cutworm

ASJC Scopus subject areas

  • Insect Science

Cite this

Interactive effect of diet and temperature on instar numbers in Spodoptera litura, with reference to head capsule width and weight. / Mo, Hyoung ho; Jang, Keun Bok; Park, Jung Joon; Lee, Sung Eun; Shin, Key Il; Lee, Joon Ho; Cho, Ki Jong.

In: Journal of Asia-Pacific Entomology, Vol. 16, No. 4, 01.12.2013, p. 521-525.

Research output: Contribution to journalArticle

Mo, Hyoung ho ; Jang, Keun Bok ; Park, Jung Joon ; Lee, Sung Eun ; Shin, Key Il ; Lee, Joon Ho ; Cho, Ki Jong. / Interactive effect of diet and temperature on instar numbers in Spodoptera litura, with reference to head capsule width and weight. In: Journal of Asia-Pacific Entomology. 2013 ; Vol. 16, No. 4. pp. 521-525.
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