Morphological Characteristic of Immature stage in Platypus koryoensis (Murayama)(Coleoptera, Platypodidae) and Local Variation in the Number Mycangia
2013
Won, D.S., Climate Change Research Institute of Korea, Chuncheon, Republic of korea | Choi, W.I., Korea Forest Research Institute, Seoul, Republic of Korea | Kwon, Y.D., Gyeonggi Forest Environment Research Institute, Osan, Republic of korea | Kim, K.H., Korea Forest Research Institute, Seoul, Republic of Korea | Kim, J.K., Kangwon National University, Chuncheon, Republic of Korea
This study was conducted to describe the external morphology of platypus-koryoensis Murayama in immature stage, to determine each instar based on larvae head-capsule, and to measure individual and local variations in the number of mycangia of adult. Egg of p.koryoensis had oval shape and lengths of the major and minor axis were 0.67±0.051mm, respectively. Body colour of 5th instar was gloss white with well-developed mandible. Larvae of p.koryoensis grew up to 5th instar and each instar was gloss white with well-developed mandible. Larvae of P. koryoensis grew up to 5th instar and each inster was clearly classified by head capsule width. Head capsule width for 1st,2nd, 3rd, 4th, and 5th instar larvae were 0.35±0.004 mm, 0.45±0.010 mm, 0.67±0.039 mm, 0.94±0.069 mm, and 1.12±0.007 mm,respectively. The colour of pupa was pale yellow and its length was 4.64±0.044 mm. the number of mvcangia per female had individual variations from 5 to 12 and 83% of the adults had from 6 to 8 mycangia. There was no significant difference in number of mycangia collected from between Namyangju region and Honchen region.
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