"Head: Front creamy yellow with inverted V from vertex to antennal insertions deep orange, clypeus and labrum more or less orange, antennae of male about three-fourths length of body, basal five segments dull orange to brownish, last six segments dark brown. Pronotum: Deep orange with light markings creamy yellow, not sharply delimited; a narrow median, longitudinal, yellowish, indistinct stripe at anterior half; lateral margin yellowish, narrowly so at basal half, more broadly so at anterior half; anterior margin narrowly yellowish; with vague indications of light, oblique basal spots. Elytra: Ground color creamy yellow, dark markings black, sharply delimited by striae. Dark markings of each elytron as follows: on suture from base to apex; on first interval except basal third; on basal third and apical sixth of third interval; on humerus and sixth and seventh intervals to past middle, latter markings joining those of fifth interval at middle. Rows of punctures in yellow areas more or less darkly pigmented. Punctures as in a. amatus. Ventral surface: Prosternum at center, mesosternum and side pieces, and first abdominal segment basally at center yellowish; prosternum at side and legs basally orange, latter nearly brown apically; metasternum, metepisternum, and first four abdominal segments (with above exception) reddish black; fifth abdominal segment reddish at middle, orange at side; pygidium reddish, nearly black at center. Anterior margin of prosternum in male as in a. amatus. Length: 3.8 mm" (White, 1968: 30).
USA: Platte County, WY (White, 1968).