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Adult Limnophyes natalensis were collected using sticky and suction light traps during the course of a year in a Japanese food factory. Such physical control methods have been demonstrated effective for collecting adult midges. The numbers of adult L. natalensis collected with the two methods were c...

In the middle of June, 2010, we received the following requests from the manager of a bookstore along an irrigation canal which drew water from the Chikuma River. "During the night, massive flights of aquatic insects are attracted to the lights of my shop.” The abundance of aquatic insects was monit...

We investigated the seasonal abundance and flight activity of adult Limnophyes natalensis within a food industry. A total of 43,163 insects were automatically counted with a special light trap during the study period. The automatically counted numbers reflected the abundance of L. natalensis, becaus...

Flights of chironomid midges have caused some problems for residents around water treatment works. The development of physical and biological control strategies against chironomid midges is needed because chemical control is not feasible in slow sand filter beds. In this study seasonal changes in th...

The species composition and abundance of chironomid midges attracted to the illuminated showcase of a vending machine, set on the riverside in the middle reaches of the Shinano River (Ueda City, Nagano Prefecture, Japan), were investigated. A total of 4,439 midges (1,719 males and 2,720 females) wer...

In the area of Lake Suwa in central Japan, massive swarms of chironomid midges have repeatedly caused problems for local residents. Until now, light has been used as the customary countermeasure against chironomids wherever they occur, e.g., around natural lakes. In recent years, large numbers of sw...

Two Navy surplus barges (each 91 x 20 ft) were equipped with one street lamp at each corner of the barge and with fourteen 60 x 80 inches white cloth panels, each panel illuminated with one 100W spotlight. Adult midge attraction to light on these barges was studied in the summer of 1998 on Lake Monr...