Ameriphoderes, Clarke, 2015

Clarke, Robin O. S., 2015, Revision of the genus Acyphoderes Audinet-Serville, 1833, with a brief synopsis of the genus Bromiades Thomson, 1864 (Coleoptera, Cerambycidae), Insecta Mundi 2015 (401), pp. 1-92 : 44-46

Key to the Group 2 species of Ameriphoderes new genus

1. Pronotum usually with moderately broad scalloped band of golden or brassy pubescence on apical and basal halves; in males rostrum width/length 2.60-3.30, in females 2.30-3.25; in males width of one inferior lobe of eyes/interocular distance 2.1-2.9; elytra type variable; not very long and narrow, in males length/width humeri 2.87-3.65, in females 2.84-3.50; in males abdominal process moderately inclined to abdomen (10-60°), in females (0-20°) ...................................... 2

— Pronotum with broad, scalloped band of brassy pubescence across basal third and apical half; in male rostrum width/length 2.29, in female 2.19; in male width of one inferior lobe of eyes/ interocular distance 5.30; elytra subtype 5A, very long and narrow, in male length/width humeri 4.04, in female 4.06; in both sexes abdominal process with 70° inclination. Male 20.2 mm. ( Fig. 45 ). Female 18.0 mm. ( Fig. 46 ). Costa Rica, Panama.................................................................. ............................................................................ A. bayanicus ( Giesbert, 1991) comb. nov.

2(1). Pubescent bands on pronotum not connected by longitudinal bands of golden pubescence (but see male A. magna with connecting bands of brassy pubescence); in males prothorax length/width 1.06-1.10, and pronotal calli punctate, smaller, and not prominent; elytra subtype 5A, in males length of elytra/width humeri 3.20-3.65, in females 3.22-3.50; in males lengths elytra/forebody 1.26-1.46, in females 1.25-1.55; in males lengths mesosternum/metasternum 0.63-0.76, in females 0.67-0.74; in males lengths forebody/abdomen 0.62-0.79, in females 0.68-0.96; in males abdomen subtype 2B (Fig. 93, 95, 97), and abdominal process moderately inclined to abdomen (10-45°), in females 10-40°; hindleg subtype 3B, in males lengths clave/peduncle 0.70-1.00, in females 0.78-1.00; in males metatarsomere I/II+III 1.19-1.52, in females 1.21-1.44 ........................... 3

— Basal fifth and apical third of pronotum with band of golden pubescence, these bands connected by a narrow, longitudinal band of golden pubescence to either side of midline; in male prothorax length/width 1.19, and pronotal calli almost impunctate, large, and prominent; elytra subtype 4B, rather broad throughout, in male length of elytra/width humeri 2.87, in female 2.84; in male lengths elytra/forebody 1.09, in female 1.16; in male lengths mesosternum/metasternum 0.83, in female 0.73; in male lengths forebody/abdomen 0.81, in female 0.98; in male abdomen subtype 2A (Fig. 87), and abdominal process more strongly inclined to abdomen (60°), in female flat; hind leg subtype 1B, in male lengths clave/peduncle 1.8, in female 1.50; in male metatarsomere I/II+ III 1.00, in female 1.14. Male 18.0 mm. ( Fig. 43 ). Female 14.7 mm. ( Fig. 44 ). W Mexico ( Sinaloa-Jalisco , Oaxaca) ..................................................................................... ......................................................... A. amoena ( Chemsak and Linsley, 1979) comb. nov .

3(2). Pronotum with or without bands of golden pubescence; in female tegument predominantly orange or rufous in color; sides of pronotum not regularly arced from front margin to hind margin, and basal and apical constrictions deep; in both sexes antennae do not pass urosternite I; in males lengths antennomere III/scape 1.34-1.36, in females 1.24-1.36; in males rostrum width/ length 2.60-2.79, in females 2.30-2.67; in males width of one inferior lobe of eyes/interocular distance 2.10-2.25, in females 0.59-0.72; in males lengths elytra/forebody 1.37-1.46, in females 1.26-1.47; in males lengths forebody/abdomen 0.62-0.65, in females 0.80-0.96; in males lengths mesosternum/metasternum 0.70-0.76, in females 0.67-0.74; in males widths of mesocoxal cavity/ base of mesosternal process 3.5-3.8 ........................................................................................... 4

— Basal and apical thirds of pronotum with broad, scalloped band of golden or brassy pubescence; in female tegument black; sides of pronotum almost regularly arced from front margin to hind margin, and basal and apical constrictions shallower; in male antennae reach urosternite II, in female apical third of I; in male lengths antennomere III/scape 1.45, in female 1.43; in male rostrum width/length 2.80, in female 3.13; in male width of one inferior lobe of eyes/interocular distance 2.43, in female 0.92; in male lengths elytra/forebody 1.26, in female 1.25; in male lengths forebody/abdomen 0.79, in female 0.81; in male lengths mesosternum/metasternum 0.63, in female 0.70; in male widths of mesocoxal cavity/base of mesosternal process 3.5, in female 0.29. Male 16.9 mm. ( Fig. 47 ). Female 14.2 mm. ( Fig. 48 ). W Mexico (Durango, Jalisco, Nayarit) .................................................................. A. cribricollis ( Bates, 1892) comb. nov .

4(3). In male basal third and apical half of pronotum with fine recumbent pubescence, the latter brassy or brown, in female pubescence golden, and basally confined to constriction; in male sides of prothorax angular and widest in front of middle, in female sides overhung by lateral calli and widest well before middle; pronotum tumid (but basal and apical constrictions not exceptionally declivous); densely punctured in male, rather sparsely in female, black in male, orange and furnished with two oblique fascia in female; in both sexes antennae reach apex of urosternite I; in male rostrum width/length 2.60, in female 2.30; in male width of one inferior lobe of eyes/ interocular distance 2.3, in female 0.72; in male base of prosternal process about one twelfth (0.08) width of coxal cavity, in female 0.09; sides of elytra dusky, and without triangular black fascia bordering scutellum; in both sexes abdominal process weakly inclined to abdomen (10°); legs with entirely orange femora; in male ratio lengths front/middle/hind legs 1.0:1.3:2.7, in female 1.0:1.4:2.9; in male apex of metafemora reaching basal third of urosternite IV; in male length of metafemoral clave 0.73 length of peduncle, in female 0.78; metatibia with moderate sized, orange brush; in male metatarsomere I/II+ III 1.45 , in female 1.44. Male 26.8 mm. ( Fig.49 ). Female 22.5 mm. ( Fig. 50 ). S Mexico (Chiapas) ... A. magna ( Giesbert, 1991) comb. nov .

— Golden pubescence on pronotum restricted to apical and basal constrictions; in male prothorax widest near middle, in female well before middle; sides rounded in both sexes, but in female overhung by very tumid disc (resulting in exceptionally deep and declivous apical and basal constrictions); pronotum densely punctured in both sexes; in male black (with median and lateral calli rufous), in female rufous (with black basal and apical constrictions); in male antennae reach basal third of urosternite I, in female metacoxae; in male rostrum width/length 2.79, in female 2.67; in male width of one inferior lobe of eyes/interocular distance 2.1, in female 0.59; in male base of prosternal process about one fifth (0.22) width of coxal cavity, in female 0.26; elytra with ochraceous sides and black, triangular fascia bordering scutellum; in male abdominal process more strongly inclined to abdomen (45°) than in female (30°); legs with orange and black femora; in male ratio lengths front/middle/hind legs 1.0:1.4:2.4, in female 1.0:1.4:2.6; in male apex of metafemora reaching apical third urosternite III; in male metafemoral clave as long as peduncle, in female 0.96; metatibia without brush; in male metatarsomere I/ II+III 1.19, in female 1.21. Male 23.1 mm. ( Fig. 51 ). Female 25.9 mm. ( Fig. 52 ). W Mexico (Colima) ............................................ A. prolixa ( Chemsak and Linsley, 1979) comb. nov.

Figures

Figures 43–48. Species habitus in the genus Ameriphoderes. gen. nov. Figures 43–44. Ameriphoderes amoena (Chemsak and Linsley, 1979). 43) male. 44) female. Figures 45–46. Ameriphoderes bayanicus (Giesbert, 1991). 45) male. 46) female. Figures 47–48. Ameriphoderes cribricollis (Bates, 1892). 47) male. 48) female.

Figures 49–54. Species habitus in the genera Ameriphoderes. gen. nov. and Amerispheca. gen. nov. Figures 49–50. Ameriphoderes magna (Giesbert, 1991). 49) male paratype. 50) female paratype. Figures 51–52. Ameriphoderes prolixa (Chemsak and Linsley, 1979). 51) male paratype. 52) female paratype. Figures 53–54. Amerispheca delicata (Horn, 1894). 53) male. 54) male ventral.