Pinacodera rufostigma (Hunting 2013)

Pinacodera rufostigma is a species in the beetle family Carabidae. It is found in the United States.

With character states of subgenus Pinacodera restricted as follows: OBL. 9.1 – 10.3 mm. Length (n= 7 males, 3 females): head 0.88 – 1.00 , pronotum 1.52 – 1.76, elytra 5.25 – 6.00, metepisternum 1.26 – 1.50 mm; width: head 1.72 – 2.00, pronotum 2.10 – 2.44, elytra 3.42 – 3.92, metepisternum 0.54 – 0.84 mm. Body proportions. HW/HL 1.82 – 2.04; PWM/PL 1.29 – 1.45; EL/EW 1.48 – 1.58; ML/MW 1.92 – 2.41. Color. Dorsum of head and pronotum rufous to rufo- testaceous; antennae rufo-testaceous to rufo-brunneous; palpi rufo-testaceous to brunneous; elytra brunneo-piceous to rufo-piceous with large oblong rufo-testaceous central macula and pale, somewhat translucent margins; elytral epipleura testaceous to rufo-testaceous; thoracic sclerites and abdominal sterna testaceous to rufo-piceous. Microsculpture. Microlines not visible on dorsum of head capsule and pronotum at 50× magnification. Elytra with mesh pattern isodiametric, microlines clearly impressed throughout. Macrosculpture and pilosity. Head capsule with shallow, randomly scattered setigerous punctures on dorsal surface from constriction of neck extended anteriorly toward clypeus. Elytra with striae moderately impressed and punctulate throughout length; intervals 2, 4, 6 and 8 typically with two to three rows of scattered punctures; all other intervals with one row of punctures; some specimens with intervals 1, 3 and 5 somewhat raised toward apex. Metepisternum. Distinctly longer than wide. Hind wings. Macropterous. Male genitalia. Phallus (Fig. 20A) length 1.70 – 2.00 mm. Endophallus with basal endophallic lobe (bel) distinctly formed.