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Photo#2067147
Elongate greenish mirid in native grassland - Stenodema pilosipes

Elongate greenish mirid in native grassland - Stenodema pilosipes
Sevenmile Creek, 8 km NW of Helena, Lewis and Clark County, Montana, USA
May 17, 2021
Size: 6.8 mm
Faintly green-bodied, elongate hemipteran collected about half an hour before sunset from gently S-sloping, rocky hillside where perching ca 30 cm high on a burned stem of Artemisia sp. in an area burned in last September's fire with regrowing Astragalus crassicarpus (nearing end of flowering), Sphaeralcea coccinea, Agropryon spicatum, Coryphantha missouriensis (with flower buds), Opuntia polyacantha, and scattered Bromus tectorum. Light W breeze, sunny, 79 F.

Elevation ca 4000 feet. Disturbed riparian corridor on stream restoration site within a patchwork of native and non-native grassland.

Images of this individual: tag all
Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes Elongate greenish mirid in native grassland - Stenodema pilosipes

Moved
Moved from Stenodema.

Keyed to species in Kelton 1961(1). Clearly not S. trispinosum - lacking spines near the apex of the metafemur. I was more hesitant distinguishing between S. pilosipes ("species uniformly greenish; second antennal segment pale or brown, 2.5 times the width of head or less; tibiae strongly pilose") and S. vicinum ("species seldom uniformly greenish; second antennal segment reddish, more than 2.5 times the width of head; tibiae with slanting bristles"). In the field, this specimen appeared greenish; the second antennal segment is brown without a hint of red, and 2.54 times the width of the head through the eyes. However, I hesitated about whether "strongly pilose" was a fitting description for the hint tibiae. The description of S. pilosipes also mentions the black mesoscutellum (=mesoscutum, apparently) as another distinguishing character - this specimen has that character, too, so I conclude that this is S. pilosipes. According to Kelton, "This species has the appearance of vicinum, except for the olive-green colour; shorter, and brown second antennal segment; wider black vittae on head and pronotum; black mesoscutellum; and prominent bristles on hind tibiae" (p. 453).

Moved
Moved from Plant Bugs.

Keyed to genus in Slater & Baranowski 1978. Arolia present and diverging; pronotum without collar; second antennal segment not clavate; pronotum deeply punctate; first antennal segment about same length as head width; first antennal segment thick and densely hairy.

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