. Brigham Young University science bulletin. Biology -- Periodicals. Fig. 3 Lateral view of Ti/ aratiis. female. Ti/cliitifi aratits Say (Figs. 3, 4, 19) Tychius aratus Say, 1831, Descriptions of North Ameri- can curciilionides p. 26, (reprinted In: LeConte, 1859, The complete writings of Thomas Say 1:294) (Male holotvpe of Tifrliiim ani- tor Gyllenhal here designated as neotjpe of Figs. 4-10. Ttjchius spp., median lobe of male genitalia; 4. T. : 5, T. haditis; 6, T. prolixus; 7, T. pha- larus; 8, T. hmellosus; 9, T. semisqiiamosus; 10, T. stephensi; a - dorsal view, b
. Brigham Young University science bulletin. Biology -- Periodicals. Fig. 3 Lateral view of Ti/ aratiis. female. Ti/cliitifi aratits Say (Figs. 3, 4, 19) Tychius aratus Say, 1831, Descriptions of North Ameri- can curciilionides p. 26, (reprinted In: LeConte, 1859, The complete writings of Thomas Say 1:294) (Male holotvpe of Tifrliiim ani- tor Gyllenhal here designated as neotjpe of Figs. 4-10. Ttjchius spp., median lobe of male genitalia; 4. T. : 5, T. haditis; 6, T. prolixus; 7, T. pha- larus; 8, T. hmellosus; 9, T. semisqiiamosus; 10, T. stephensi; a - dorsal view, b - lateral view, c - dorsal viev\' of apex. Line at right of Fig. 10 repre- sents 1 mm. aratus Say: Missouri, Naturhistoriska Riksmuseum, Stockholm); LeConte, 1876, Proc. Amer. Philos. Soc, 15:432; Gemminger and Harold, 1871, Catalogus Coleopterorum 8:2514 {=arator Gyllenhal). Tychius arator Gvllenhal, 1836, In: Schoenherr, Genera et species curculionidum. .... 3(1):414-415 (Holotype: male, Missouri .Naturhistoriska Riksmu- seum, Stockholm). Miccotrogus aratus Khma, 1934, Coleopterorum Cata- logus, 29 (138): 29. This species differs from other members of the r. scmisquamosus species group by the uni- colorous scales and larger size. The long ros- trum in the female (Fig. 3) is unique among known North American Tychius. Description. Male: length mm, width mm; integument dark reddish brown to black on bodw appendages dark reddish brown; coyered b\' imicolorous, light, tawn\' scales. Rostnmi longer than prothorax, slightly, evenly arcuate or nearly straight in basal two- thirds in dorsal profile; slightly wider at antennal insertion in lateral aspect; in dorsal aspect slight- ly, evenly tapered from base to tip, frons times wider between dorsal margin of eyes than rostrum at apex; antennal insertion in apical third; evenly tapered to tip in lateral aspect, lateral portion with very deep rugae, dorsal por- tion with median shiny, smooth area. Vestiture of unifor
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