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首页> 外文期刊>Journal of Medical Entomology >Adult Fannia benjamini complex (Diptera: Muscidae) activity in southern California and use of CO2 as an attractant
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Adult Fannia benjamini complex (Diptera: Muscidae) activity in southern California and use of CO2 as an attractant

机译：加利福尼亚南部的成年Fannia benjamini复合体（双翅目：蝇科）活动和使用CO2作为引诱剂

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摘要

Diurnal activity of host-seeking "canyon flies" (Fannia benjamini complex) (Diptera: Muscidae) was determined on a warm, sunny day during their peak seasonal activity period (early July) in the coastal mountain community of La Habra Heights in Los Angeles County, California. High levels of activity persisted for several hours in the morning and evening, but peak abundance was within an hour after sunrise and an hour before sunset, when >600 flies (mainly Fannia conspicua Malloch) could be collected in 5 min from a person using a sweep net. Host-seeking activity was low during midday hours, when flies apparently were seeking shelter from the heat, and activity ceased after sunset. Potential bait materials, including some known to elicit a response by other host-seeking Diptera (water, rabbit feces, egg bait, milk bait, Limburger cheese, ethanol, and CO2) were tested for "canyon fly" response using CDC-type suction traps (without light). CO2 resulted in significantly higher capture of female "canyon flies" (up to approximately 2,000 flies per trap in a 6-h period) relative to traps baited with other materials or with no bait. Host-seeking activity in relation to distance from a putative developmental site was evaluated. The proportional capture of flies in CO2-baited suction traps was significantly explained by distance from a residential area planted with Aptenia cordifolia (L.) (Aizoaceae; red apple), a ground cover plant that is a developmental site for F. conspicua. Proportional trap capture rapidly decreased as distance from the residential area increased. Implications of these studies for "canyon fly" control are discussed.
机译：在洛杉矶拉哈布拉高地沿海山区社区，在高峰季节活动期间（7月初）在温暖，阳光明媚的日子里确定了寻找寄主的“峡谷苍蝇”（Fannia benjamini复合体）（双翅目：蝇科）的日活动。加利福尼亚县。高强度的活动在早上和晚上持续了几个小时，但高峰期出现在日出后的一个小时内和日落前的一个小时内，此时在5分钟内可以从使用飞虫的人身上收集到600多只苍蝇（主要是Fannia conspicua Malloch）。扫网。在中午时段，寻求寄主的活动很少，这时苍蝇显然正在避热，而日落之后活动就停止了。使用CDC型吸力测试了潜在的诱饵材料，包括一些已知会引起其他寻求宿主的双翅目动物引起的反应的诱饵材料（水，兔子粪便，蛋饵，牛奶诱饵，林堡奶酪，乙醇和CO2）对“峡谷飞”的响应。陷阱（无光）。相对于用其他材料诱饵或没有诱饵的诱捕器，CO2导致雌性“峡谷苍蝇”的捕获率显着提高（每个诱捕器在6小时内高达约2,000蝇）。评估了与推定的发育部位的距离相关的寻求宿主的活动。蝇类在二氧化碳诱集的吸引器中的成比例捕获，可以通过与居住在Aptenia cordifolia（L。）（菊科;红苹果）的居民区的距离来解释，该地区是地衣藻的生长地。随着与居民区距离的增加，比例陷阱的捕获迅速减少。讨论了这些研究对“峡谷飞”控制的意义。

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