Table 1. Site information for specimens in this study.

Site Name	Latitude	Longitude	Elevation (m)	N
Durangoa	37° 16.142′	−107° 52.576′	1997	14
Fruitab	39° 13.576′	−108° 52.635′	1372	59
Grand Junctionb	39° 04.508′	−108° 32.797′	1402	44
Mackb	39° 13.344	−108° 52.021′	1378	25
Lamarc	38° 04.531′	−102° 37.086′	1107	66
Fountainc	38° 40.933′	−104° 42.017′	1690	51
Puebloc	38° 15.700′	−104° 39.395′	1456	67
Denverd	39° 42.302′	−104° 58.783′	1609	69
Evansd	40° 22.583′	−104° 41.500′	1417	31
Fort Collinsd	40° 36.489′	−105° 3.877′	1552	57
Lovelandd	40° 23.867′	−105° 4.450′	1490	36
Plattevilled	40° 12.750′	−104° 44.667′	1493	23
Sterlingd	40° 37.314′	−103° 12.941′	1212	55

Elevation of site in meters; N, number of specimens per site. Specimens were collected using either CDC light traps or gravid traps in July-August 2009 in Colorado, USA.

^aSan Juan River basin,

^bColorado River basin,

^cArkansas River basin,

^dSouth Platte River basin.