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Photo#2069297
Epicauta on Glycyrrhiza lepidota - Epicauta maculata

Epicauta on Glycyrrhiza lepidota - Epicauta maculata
Sevenmile Creek, 8 km NW of Helena, Lewis and Clark County, Montana, USA
July 11, 2021
Size: 11.4 mm
Elongate grayish beetle with black spots through whitish pubescence, collected. One seen visiting Glycyrrhiza lepidota infloresence. From large Glycyrrhiza patch in level, full sun grassland, ca 100 m^2, still flowering substantially but with many green fruits developing. About 1/10 of the patch with a dense colony of grayish aphids on the flower stems and inflorescences, and ca 100+ coccinellids present, dominated by Coccinella septempunctata and C. transversoguttata with some Hippodamia. Smoky morning, sunny, 63 F, light air.

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

Something like Epicauta maculata? Keyed to genus in Arnett et al. 2002. The non-combed claws plus the slight subapical notch with transverse, appressed hairs on the profemur bring us to Epicauta. If anyone can help narrow it down further, that would be wonderful.

Images of this individual: tag all
Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata Epicauta on Glycyrrhiza lepidota - Epicauta maculata

may be . . .
E. oregona - but in this state, specimen needed at hand.
If male, then: NO.

Keyed in Pinto 1991
Moved from Epicauta.

Important characteristics were many and included the shape and relative proportions of antennal segments 1-3; the black maculae on the elytra present and smaller than the length of the second antennal segment; the basal tarsomere of the meso- and metatarsi with a pale pad at least near the apex; the mesotibia with cinereous hairs anteriorly and a linear band of black hairs dorsally; and the elytra without basal black hairs. The only characteristic of this specimen that did not seem to match E. maculata in the key was the exserted setae on antennal segment 10 less than 1/2 the segment's width; however, all specimens in this part of the key with shorter setae were far out of range for MT and did not match this specimen in other morphological details. Perhaps some of the antennal setae were lost from this specimen. Pronotum "usually with distinct maculae" in this species; a few are visible laterally in this specimen, but the dorsal pubescence seems to have been damaged.

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