Pinacodera chevrolati: Brief Summary
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Pinacodera chevrolati is a species in the beetle family Carabidae. It is found in Mexico.
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Description
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With character states of subgenus Pinacodera and chevrolati complex restricted as follows: OBL 10.3 – 13.5 mm. Length (n= 10 males, 10 females): head 1.00 – 1.24, pronotum 1.96 – 2.56, elytra 5.41 – 7.08, metepisternum 1.10 – 1.70 mm; width: head 2.04 – 2.60, pronotum 2.48 – 3.28, elytra 3.83 – 5.16, metepisternum 0.66 – 1.02 mm.
Body proportions. HW/HL 1.88 – 2.31; PWM/PL 1.26 – 1.37; EL/EW 1.25- 1.43; ML/MW 1.66 – 2.00.
Color (Fig. 30). Dorsum of head black, rarely rufo-piceous in front of eyes; legs piceous to rufo-piceous.
Microsculpture. Elytra with mesh pattern isodiametric, microlines shallow in basal half of elytra and shallow to absent from apical half.
Macrosculpture and pilosity. Dorsal punctures with setae present though short and almost not visible at 50× magnification. Ventral surface of head with evenly scattered setigerous punctures (bearing somewhat long setae) from behind eye laterally toward mentum. Pronotum normally with relatively evenly scattered setigerous punctures throughout (Fig. 31A), more densely so toward margins; few specimens with setigerous punctures along margin and few to no punctures on disc (Fig. 31B). Elytral epipleuron glabrous.
Fixed setae. Pronotum with two fixed setae along each margin. Four to six setae (typically four) along apical margin of sternum VII (Fig 3).
Luster. Elytra glossy in basal two thirds, in some specimens slightly less so in apical third.
Head (Fig. 37B-D). Mental tooth form varied.
Elytra (Fig. 30). Humeri narrowly rounded.
Hind wings. Somewhat to markedly reduced (Fig. 39). Length 1.34 – 3.29 mm, mean 2.28 mm.
Male genitalia. Phallus (Fig. 34A) length 2.20–2.48 mm. Endophallus with microtrichial patch on basal lobe of everted sac (Fig. 36).
Female genitalia. Gonocoxite 2 (gc2) (Fig. 35A) short and stout.
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- Wesley M. Hunting
- bibliographic citation
- Hunting W (2013) A taxonomic revision of the Cymindis (Pinacodera) limbata species group (Coleoptera, Carabidae, Lebiini), including description of a new species from Florida, U.S.A. ZooKeys 259: 1–73
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- Wesley M. Hunting