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. 2019 Mar;35(1):47-50.
doi: 10.2987/18-6774.1.

New County Records of Aedes aegypti and Aedes epactius in Colorado

Erik M Ostrum  1 , John-Paul Mutebi  1
Affiliations

New County Records of Aedes aegypti and Aedes epactius in Colorado

Erik M Ostrum et al. J Am Mosq Control Assoc. 2019 Mar.

Abstract

In August and September 2017, we conducted mosquito surveillance in southeastern Colorado by using ovitraps and larval sampling. The aim was to determine if there were established populations of Aedes aegypti and Ae. albopictus in the region. A single female Ae. aegypti was reared from eggs collected in La Junta, CO, but Ae. albopictus was not detected. Three other species were reared from eggs and/or larvae: Ae. epactius, Culex restuans, and Cx. pipiens. Aedes aegypti and Ae. epactius were detected for the 1st time in Otero and Baca counties, respectively, and these became new county records for Colorado. Both species were detected in very low numbers, suggesting extremely low population density or sporadic introductions into southeastern Colorado.

Keywords: Colorado.

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Figures

Figure 1.
Figure 1.
The distribution of Ae. aegypti and Ae. epactius in Colorado after adding in our new records from the fall of 2017. The previous Ae. aegypti detection is represented by a darker blue shade (Pueblo County) and the new detection by a lighter blue (Otero County) shade. The previous Ae. epactius detections are represented by the darker grey shade (Larimer, Weld, Douglas and Montrose Counties) and new detection by the lighter gray shade (Baca County).
See this image and copyright information in PMC

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