Effects of temperature on instar number and larval development in the endangered longhorn beetle Callipogon relictus (Coleoptera

Cerambycidae) raised on an artificial diet

Dae Am Yi, Alexander V. Kuprin, Yeon Jae Bae

Research output: Contribution to journalArticle

Abstract

Callipogon relictus Semenov (Coleoptera: Cerambycidae) is currently listed in the Red Data Books (Category I) of Russia and South Korea and, in 2006, was designated by the South Korean government as the first invertebrate priority target species in a restoration project. However, the species is also classified as an invasive quarantine pest by the Canadian Food Inspection Agency. Due to the five-year to seven-year life cycle of the species, experimental information about instar numbers has been poorly documented. Therefore, the goal of the present study was to document the instar numbers of non-diapause Callipogon relictus larvae reared on an artificial diet. Under conditions of 30 °C, 60% relative humidity, and constant dark (0:24 hour light-dark photoperiod), developmental pathways of 8, 10, and 12 instars were observed. The effect of temperature (20, 25, and 30 °C) on the duration of larval development was also examined to identify the optimum temperature for producing Callipogon relictus for conservational purposes. Larvae reared at 30 °C and 60% relative humidity, without a chill period, developed in seven to eight months, which is about one-tenth the duration of C. relictus development under natural conditions and the most rapid development of C. relictus observed to date.

Original languageEnglish
JournalCanadian Entomologist
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

artificial diet
Cerambycidae
Beetles
artificial diets
larval development
Humidity
Larva
beetle
instars
Food Inspection
Coleoptera
Diet
Quarantine
Chills
Republic of Korea
Temperature
relative humidity
Russia
Photoperiod
Invertebrates

ASJC Scopus subject areas

  • Structural Biology
  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Molecular Biology
  • Insect Science

Cite this

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title = "Effects of temperature on instar number and larval development in the endangered longhorn beetle Callipogon relictus (Coleoptera: Cerambycidae) raised on an artificial diet",
abstract = "Callipogon relictus Semenov (Coleoptera: Cerambycidae) is currently listed in the Red Data Books (Category I) of Russia and South Korea and, in 2006, was designated by the South Korean government as the first invertebrate priority target species in a restoration project. However, the species is also classified as an invasive quarantine pest by the Canadian Food Inspection Agency. Due to the five-year to seven-year life cycle of the species, experimental information about instar numbers has been poorly documented. Therefore, the goal of the present study was to document the instar numbers of non-diapause Callipogon relictus larvae reared on an artificial diet. Under conditions of 30 °C, 60{\%} relative humidity, and constant dark (0:24 hour light-dark photoperiod), developmental pathways of 8, 10, and 12 instars were observed. The effect of temperature (20, 25, and 30 °C) on the duration of larval development was also examined to identify the optimum temperature for producing Callipogon relictus for conservational purposes. Larvae reared at 30 °C and 60{\%} relative humidity, without a chill period, developed in seven to eight months, which is about one-tenth the duration of C. relictus development under natural conditions and the most rapid development of C. relictus observed to date.",
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