Cicindela (s. str.) decemnotata, Say, 1817

Knisley, C. Barry, Woodcock, M. Ryan & Kippenhan, Michael G., 2012, A morphological and mtDNA analysis of the badlands tiger beetle, Cicindela (s. str.) decemnotata Say, 1817 (Coleoptera: Carabidae: Cicindelinae) with the description of three new subspecies C. Barry Knisley, Insecta Mundi 2012 (214), pp. 1-49 : 7-12

Cicindela (s. str.) decemnotata decemnotata Say

( Fig. 1 A-D, 2A-F, 3A-F, 4A-D, 10A-B, 11C-D, 18A-C, 19A-B, 23, 24)

Cicindela decemnotata Say 1817:19 . Type locality: “... on the sandy alluvions of the Missouri, above the confluence of the river Platte.” Type depository: Presumed destroyed ( Mawdsley 1993). Concept based on two specimens labeled: “ USA: MT: Yellowstone Co., 15 mi NE Billings, 11-IV-2011, M. Kippenhan” in MCZ.

Cicindela purpurea var. decemnotata Say : Schaupp 1884:90

Cicindela decemnotata Say : Leng 1902:134

Cicindela decemnotata Say : Harris 1911:8

Cicindela decemnotata albertina Casey 1913:24 (synonymy follows Horn 1915:374). Type locality: “ Canada (Lethbridge, Alberta).” Type depository: USNM.

Cicindela lantzi Harris 1913:68 (synonymy follows Horn 1915:374). Type locality: “Jefferson, Col.” Type depository: MCZ [ MCZ Type Database 2010].

Cicindela purpurea decemnotata Say : Horn 1915:374

Cicindela (s. str.) limbalis decemnotata Say : Rivalier 1954:253.

Cicindela (s. str.) decemnotata Say : Freitag 1999:21

Identification. Cicindela d. decemnotata can be characterized by the following: dorsal coloration exhibiting the full range of color—dark green, green, blue-green, blue, green-purple, purple, red-purple, olive green and black; individuals often have contrasting margins on the head, thorax and elytra which range from bright metallic green to dark green to blue-purple; elytral maculation complete with humeral dot, posthumeral dot, middle band, subapical dot and apical dot; geographic distribution from the western great plains of South Dakota and Nebraska westward to the eastern slope of the Wasatch Range in Utah, south central to eastern Idaho, Montana west of the Continental Divide and southern Canada to Alaska.

Description. Head. Bright metallic green with varying amounts of copper to red-purple to brown on disc; width of eyes greater than pronotum, narrower than elytra, base equal to width of anterior margin of pronotum; frons shallowly rounded towards clypeus, deep and irregularly sculpted rugae in middle with dense, long white setae; clypeus relatively smooth, glabrous; vertex with vermicular rugae in middle bordered by deep, parallel rugae next to interocular plate becoming vermicular and erratic towards occiput; interocular plate with deep parallel rugae, one supraorbital setae; genae with deep parallel rugae, long irregularly spaced long white setae in apical half; labrum unpigmented with anterior margin dark brown, not wider than clypeus, central one-third slightly expanded outward with three well developed teeth, 4 to 9 (most often 6) long white submarginal setae projecting beyond anterior margin; mandibles stout with four teeth and basal molar, outer margin unpigmented, inner margin green, teeth black; maxillary and labial palpi green to dark green, apex of terminal palpomeres testaceous, first labial palpomere black; antennomeres 1-4 metallic green, occasionally with varying amounts of copper to red-brown reflections, antennomere 1 with 3-5 sensory setae on apex and 8-12 long white accessory setae on frontal face, antennomere 2 with 1 accessory setae, antennomere 3 with 2 sensory setae on apex and 4-6 accessory setae on exterior margin, antennomere 4 with 2 sensory setae on apex and 2-4 accessory setae on exterior margin, antennomeres 5-11 black, clothed with small decumbent setae and 2 sensory setae on apex.

Thorax. Bright metallic green to dark green to blue to purple along margins, disc with varying amounts of yellow green, copper, red-purple, brown, green, or green blue; pronotum wider than long (ratio 3:2), trapezoidal, widest in anterior third; surface with shallow, vermicular rugae; proepisternum clothed throughout with sparse, long white setae; prosternum surface shallowly, irregularly sculptured, glabrous; mesoepisternum surface irregularly sculpted, sparse setae on basal and posterior margins; mesoepimera surface irregularly sculpted, sparse setae on posterior margins; metaepisternum clothed throughout with sparse, long white accessory setae; metasternum smooth with sparse, long white accessory setae along anterior and lateral margins.

Elytra. Disc ranging from green with yellow green reflections to dark green to blue-green to blue to green-purple to purple to red-purple to olive-green to black; occasionally with lateral margins bright metallic green to dark green to blue purple; longer than wide (ratio 8:5); humeri rounded, humeral impression shallow but distinct; surface shallowly convex, lateral margins sharply curved downward, posterior margin broadly rounded; sutural spine small, slightly retracted; microserrations small but distinct; scutellum small, triangular; entire elytra surface covered with minute reticulate fovea with larger, shallow depressions with a small, raised granule along anterior edge, depressions and granules irregularly placed; large punctures within humeral impressions; maculation consists of small, rounded humeral dot, larger, oblong ovular posthumeral dot, complete middle band not touching lateral margin, middle band with rounded knee, long transverse arm and well defined rounded foot, large subapical dot, and triangular apical dot; all markings off white in color.

Abdomen. Ventrites green to purple with appressed setae on lateral margin, central area with very sparse appressed setae, posterior margin with widely spaced sensory setae; male pleurite 6 with shallow, broadly rounded indentation along anterior margin; pleurite 7 divided, rounded triangular shape; female pleurite 6 posterior face flat, depressed with short, closely spaced sensory setae.

Legs. Pro- and mesocoxae globose, anterior margin with dense, long white accessory setae; metacoxae triangular with lateral margin elongate, smooth with sparse, long white accessory setae in lateral half, 2 to 3 medium length white accessory setae in central area, 2 medium length sensory setae on apex; pro- and mesotrochanters dark brown, small, triangular shaped with slight green reflections and one, long sensory seta on apex; metatrochanter large, kidney shaped, dark brown, with slight green reflections and one seta, glabrous; femur, tibia and tarsi bright metallic green with varying amounts of yellow-copper to red to brown reflections; femur with rows of long, erect white setae; profemora also with very dense long, erect white setae on anterior face; tibia with rows of long, erect white setae, anterior margin with two long, stout spurs; male tarsomeres expanded, flattened on bottom with dense short white setae creating pads, scattered short erect setae on dorsal and lateral surfaces, apex with medium length erect setae; female tarsomeres 1-5 with short erect evenly spaced setae on ventral surface, scattered short erect setae on dorsal and lateral surfaces, apex with medium length erect setae; claws simple, length less than half length of 5th tarsomere.

Length. MT: Yellowstone Co. male 10.10mm – 12.20mm (mean = 11.43mm, n=20), female 11.20mm – 13.30mm (mean = 12.29mm, n=20). MT: Beaverhead Co. male 10.90mm – 12.20mm (mean = 11.41mm, n=20)., female 11.60mm - 13.20mm (mean= 12.19mm, n-14). MT: Broadwater Co. male 11.00mm - 13.90mm (mean = 12.10mm, n=20), female 12.00mm– 13.20mm (mean = 12.82, n=11).

Figures

Figure 1. Cicindela d. decemnotata adult habitus. A. Adult, 15 mi. NE of Billings, Yellowstone Co., MT, 24-IV- 2011. B. Male, “CO: Garfield Co., RT 139, 2-VI-1991” (CSUC). C. Male, “WY: Big Horn Co., Lovell LTA, 02-IX-2000” (CSUC). D. Male, “ID: Caribou Co., N. of Canyon Rd., 30-VI-2007” (MGKC). Scale bar = 5mm for B–D.