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20 July 2021 First Record of an Established Population of Triatoma sanguisuga (Hemiptera: Reduviidae) in Richardson County, Nebraska
David H. Nielsen, Kyle Koch, Walter Roachell, Bernardo Delgado, Joshua Bast
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Abstract

In 2017, a single adult Triatoma sanguisuga (LeConte) (Hemiptera: Reduviidae) was identified from Indian Cave State Park in Nemaha County, NE. The following summer, a single adult specimen was found in a 4-H insect collection at the Nebraska State Fair from Richardson County. A subsequent investigation found that these were collected from a residence in Richardson County and three more adults were collected in 2019. In 2020, the latter three kissing bugs were submitted to Public Health Command-Central's DoD Food Analysis and Diagnostic Laboratory (DOD FADL) for confirmatory species identification and diagnostic testing for Trypanosoma cruzi, the causative agent of Chagas disease. One specimen tested positive for T. cruzi using a real-time dual-target PCR screen followed by confirmatory dual-target traditional PCR. Based on these findings, a survey plan was developed for Richardson and surrounding counties in southeast Nebraska. In July of 2020, two adult and seven nymphs (multiple instars) of T. sanguisuga were collected in Richardson County, one of which tested positive for T. cruzi. This is the first record of an established population of T. sanguisuga and T. cruzi-infected kissing bugs in Nebraska.

Published by Oxford University Press on behalf of Entomological Society of America 2021. This work is written by (a) US Government employee(s) and is in the public domain in the US.
David H. Nielsen, Kyle Koch, Walter Roachell, Bernardo Delgado, and Joshua Bast "First Record of an Established Population of Triatoma sanguisuga (Hemiptera: Reduviidae) in Richardson County, Nebraska," Journal of Medical Entomology 58(6), 2519-2523, (20 July 2021). https://doi.org/10.1093/jme/tjab122
Received: 12 April 2021; Accepted: 9 June 2021; Published: 20 July 2021
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KEYWORDS
Chagas disease
kissing bug
Nebraska
Triatoma sanguisuga
Trypanosoma cruzi
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