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        Observations on the common brown butterfly (Heteronympha merope) in the early 1900s in Australia using digitized specimens

        Johnson Joel B. 한국응용곤충학회 2022 Journal of Asia-Pacific Entomology Vol.25 No.2

        The Common Brown butterfly, Heteronympha merope (Fabricius 1775), is a ubiquitous species from the family Nymphalidae, distributed across south-eastern Australia. Using online photographs of 33 digitized museum specimens provided by the Atlas of Living Australia, forewing length was found to be highly correlated with the total wing surface area (r = 0.962), indicating that this metric can be used as an accurate estimate of body size. No significant relationship was found between body size and environmental temperatures, latitude, or the year of collection (1902–1948). The size of females was higher between October and December compared to the rest of the year, while the size of males did not change. Collection of contemporary data on the body size of H. merope would allow the assessment of whether the body size of this species has changed over the past 70 years.

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        Mid-infrared spectroscopy for entomological purposes: A review

        Johnson Joel B.,Naiker Mani 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.3

        Mid-infrared spectroscopy (MIRS) is a well-established technique in the field of chemical analysis. Although it has been applied to problems in the entomological field for over 65 years, MIRS typically remains underutilised in this discipline. Potential applications of MIRS include profiling of cuticular hydrocarbons, taxonomic discrimination between cryptic species, sex discrimination, age prediction, detection of endosymbionts such as Wolbachia, and characterisation of the surface chemistry of insect body parts and products. The number of potential applications is expected to continue rising rapidly as MIR technology advances and it is adopted by more members of the entomological community.

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