Loxandrus rectus (Say, 1823)

Bousquet, Yves, 2006, New Synonymies and Notes on North American Loxandrus LeConte (Coleoptera: Carabidae), The Coleopterists Bulletin 60 (2), pp. 145-157 : 156

The rectus group

Members of this group share the following character states: mentum with sides rounded, tooth narrow and not reaching apices of lobes, paramedian foveal pits small; lateral depressions of pronotum with meshed microsculpture; disc of pronotum without meshed microsculpture; posterior angles of pronotum widely rounded, not denticulate; anterotranverse impression well impressed even medially; elytra without orange spot at apical fourth around suture; elytral microsculpture striate, lines indistinct; epipleuron with subapical plica; metasternum and metepisternum with or without punctures; metasternum with relatively deep constriction medially at level of posterior edges of mesocoxae; tarsomeres 5 without setae underneath; endophallus with sclerotized ring; body size medium to large (SBL ¼ 7.5–11.8 mm).

This group includes four species, all of them are more or less restricted to the Coastal Plain in the southeastern United States.

L. collucens Casey, 1918 [LA, TX] ludovicianus Casey, 1918 New synonymy

L. lucens Chaudoir, 1868 [AL, AR, KY, LA, TN, TX]

L. pravitubus Allen, 1972 [AL, LA, MS, NC, TX]

L. rectus (Say, 1823) [AL, AR, DC, FL, GA, IL, KY, LA, MD, MO, MS, NC, SC, TN, TX, VA] lucidulus (Dejean, 1828) [synonymy: LeConte 1852:251] laticollis (Chaudoir, 1843) [synonymy: LeConte 1852:251] iris (Motschulsky, 1866) [synonymy: Bousquet and Larochelle 1993:15] mandibularis Casey, 1918 [synonymy: Allen 1972:68] limatus Casey, 1918 New synonymy