Distribution and Seasonal Occurrence of Forcipomyia taiwana (Diptera: Ceratopogonidae) in the Nantou Area in Taiwan

Yi-Yuan Chuang; Cheng-Shing Lin; Cheng-Hsung Wang; Chin-Chang Yeh

doi:10.1603/0022-2585-37.2.205

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1 March 2000 Distribution and Seasonal Occurrence of Forcipomyia taiwana (Diptera: Ceratopogonidae) in the Nantou Area in Taiwan

Yi-Yuan Chuang, Cheng-Shing Lin, Cheng-Hsung Wang, Chin-Chang Yeh

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J. of Medical Entomology, 37(2):205-209 (2000). https://doi.org/10.1603/0022-2585-37.2.205

Abstract

We studied the distribution of Forcipomyia taiwana (Shiraki) in Taiwan, and found this species almost island-wide. Midge seasonality was studied for 4 yr at 3 sites in Nantou, central Taiwan, to identify the extent and causes of midge population outbreaks. The midge population in 1995 was significantly lower than in 3 other years because several typhoons inundated breeding sites. Maximum populations of F. taiwana occurred in June, July, and August. There was a highly significant correlation between the monthly abundance of F. taiwana and temperature and rainfall. A step-up multiple regression indicated that temperature was the most important factor leading to the outbreaks of F. taiwana. Temperature increases from 15°C to near 30°C will increase the midge abundance.

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Yi-Yuan Chuang, Cheng-Shing Lin, Cheng-Hsung Wang, and Chin-Chang Yeh "Distribution and Seasonal Occurrence of Forcipomyia taiwana (Diptera: Ceratopogonidae) in the Nantou Area in Taiwan," Journal of Medical Entomology 37(2), 205-209, (1 March 2000). https://doi.org/10.1603/0022-2585-37.2.205

Received: 24 August 1998; Accepted: 1 June 1999; Published: 1 March 2000

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