Scaphidium Olivier, 1790

Genus Scaphidium Olivier, 1790 View in CoL

Fig. 2B, E View Fig

Scaphidium Olivier, 1790: 20: 1 View in CoL . Type species: Scaphidium quadrimaculatum Olivier, 1790 View in CoL ; fixation by Latreille 1810.

Ascaphidium Pic, 1915a: 24 View in CoL . Type species: Ascaphidium sikorai Pic, 1915 View in CoL ; by monotypy.

Cribroscaphium Pic, 1920b: 93 (subgenus of Scaphidium View in CoL ). Type species: Scaphidium irregulare Pic, 1920 View in CoL ; by monotypy.

Hemiscaphium Achard, 1922a: 12 View in CoL . Type species: Scaphidium striatipenne Gestro, 1879 View in CoL ; by original designation.

Hyposcaphidium Achard, 1922a: 12 (subgenus of Scaphidium View in CoL ). Type species: Scaphidium rufopygum Lewis, 1893 View in CoL , designated by Löbl 2015: 21.

Isoscaphium Achard, 1922a: 12 (subgenus of Scaphidium View in CoL ). Type species: Scaphidium quadriguttatum Say, 1823 View in CoL , designated by Löbl 2015: 21.

Pachyscaphidium Achard, 1922a: 12 (subgenus of Scaphidium View in CoL ). Type species: Scaphidium arrowi Achard, 1920 View in CoL ; by monotypy.

Scaphidiolum Achard, 1922a: 12 View in CoL . Type species: Scaphidium basale Laporte, 1840 View in CoL ; by original designation.

Scaphidopsis Achard, 1922a: 12 View in CoL . Type species: Scaphidium pardale Laporte, 1840 View in CoL ; by original designation.

Falsoascaphidium Pic, 1923: 16 View in CoL . Type species: Scaphidium subdepressum Pic, 1921 View in CoL ; by original designation.

Parascaphium Achard, 1923: 97 View in CoL . Type species: Scaphium optabile Lewis, 1893 View in CoL ; by monotypy.

There are 13 species of Scaphidium View in CoL known from Brazil. During my field trips, it was possible to collect only one specimen, Scaphidium cf. gounellei View in CoL . Nonetheless, this single specimen was not included in this manuscript due to limited time.

General description ( Leschen & Löbl 2005)

HEAD. Mandible with two apical teeth and serrations present. Maxillary palp normal. Galea wide with radulate brush. Inner and basal setae of lacinia present. Last labial palp straight. Eyes anteriorly notched ( Fig. 2E View Fig ). Antennae clubbed; antennomeres VII–XI symmetrical ( Fig. 2B View Fig ).

PROTHORAX. Prothoracic corbiculum absent. Hypomeron visible in lateral view; apex subacute and not extending beyond pronotum.

MESOTHORAX. Mesoventral lines impunctate. Secondary lines present. Scutellum visible in dorsal view. Mesoventral process carinate. Mesepimeron absent. Meso- and metaventrite separate.

METATHORAX. Submesocoxal lines parallel to coxae. Metaventral setose patch present. Primary seta absent.

WINGS. Sutural and apical serrations of elytra present. Basal stria absent; lateral stria present.

LEGS. Profemoral ctenidium absent. Tibiae not spinose. Mesotibiae with two inner apical spines, equal in length.

ABDOMEN. Submetacoxal bead on abdominal process absent. Submetacoxal space absent.

Tribe Scaphisomatini Casey, 1893 View in CoL