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 : 43-44

Key to the Group 1 species of Ameriphoderes new genus based on males and females

1. Pronotum with distinct bands of dense, golden or creamy pubescence; in males metatarsomere I/ II+III 1.44-1.45, in females 1.35-1.52 ....................................................................................... 2

— Pronotum almost uniformly covered by inconspicuous ashy pubescence, basal and apical constrictions with band of denser, pale yellow or ashy pubescence; in males metatarsomere I/ II+III 1.04-1.23; in females 1.07-1.27 ....................................................................................... 3

2(1). Apical and basal constriction of pronotum with narrow band of golden pubescence; in male antennae reach metacoxae, in female do not pass apex of metasternum; in male lengths antennomere III/scape 1.24, in female 1.19; in male rostrum width/length 2.19, in female 2.44; in male width of one inferior lobe of eyes/interocular distance 1.4, in female 0.95; in male prothorax widest in front of middle (prothoracic quotient 2.36-2.38); in male base of prosternal process about one twelfth (0.08) width of coxal cavity, in female 0.12; in male lengths elytra/ forebody 1.17; in female 1.07; in male length of elytra/width humeri 3.20, in female 3.12; in male lengths mesosternum/metasternum 1.00; in female 0.76; in male widths of mesocoxal cavity/base of mesosternal process 3.1, in female 2.5; in male abdomen subtype 1B, in female more fusiform (Fig. 70). Male 27.0 mm. Fig. 37 ). Female 23.9 mm. ( Fig. 38 ). SW USA (Texas), Mexico-Costa Rica ......................................................... A. suavis ( Bates, 1885) comb. nov .

— Pronotum variably covered by golden pubescence, or furnished with isolated patches, but broad bands covering apical third and basal fifth (including all of constriction) densely pubescent; in male antennae reach urosternite I, in female reach metacoxae; in male lengths antennomere III/scape 1.24, in female 1.17; in male rostrum width/length 3.00, in female 2.82; in male width of one inferior lobe of eyes/interocular distance 2.0, in females 1.08; in male prothorax widest near middle (prothoracic quotient 2.17); in male base of prosternal process about one eighth (0.12) width of coxal cavity, in female 0.24; in male lengths elytra/forebody 0.87, in female 0.94; in male length of elytra/width of humeri 2.36, in female 2.23; in male lengths mesosternum/ metasternum 0.80, in female 0.78; in male widths of mesocoxal cavity/base of mesosternal process 3.0, in female 2.4; abdomen similar in both sexes subtype 1B (Fig. 66). Male 16.2 mm. ( Fig. 33 ). Female 15.9. ( Fig. 34 ). W Mexico (Jalisco) .................................................................. ........................................................... A. ayalai ( Chemsak and Linsley, 1988) comb. nov .

3(1). In males abdomen subtype 1Bb (Fig. 65, 68); urosternite IV not much wider than III and base of V much narrower than III, in females urosternite V almost quadrate .................................... 4

— In males abdomen subtype 1Ba (Fig. 63-64); urosternite IV distinctly wider than III and base of V as wide as III, in females urosternite V transverse .............................................................. 5

4(3). In male abdomen subtype 1Bb, but broad, and urosternite V transverse (Fig. 68), in female resembles subtype 1A (Fig. 69); pronotum almost uniformly covered by inconspicuous ashy or dusky pubescence; in male antennae reach metacoxae, in female reach apex metepisternum; in male lengths antennomere III/scape 1.20, in female 1.14; in male rostrum width/length 2.30, in female 2.25; in male width of one inferior lobe of eyes/interocular distance 1.77, in female 1.00; in male prothorax widest well before middle (prothoracic quotient 3.30), in female 2.81; in female base of prosternal process about one seventh (0.14) width of coxal cavity; in male lengths elytra/forebody 1.08, in female 1.12; in male length of elytra/width of humeri 2.70, in female 2.60; in male lengths mesosternum/metasternum 1.10, in female 0.77; in male widths of mesocoxal cavity/base of mesosternal process 0.42, in female 0.60; in male metatarsomere I/II+III 1.04, in female 1.15. Male 20.7 mm. ( Fig. 39 ). Female 21.8 mm. ( Fig. 40 ). Guatemala, Honduras....... .................................................................................... A. velutina ( Bates, 1885) comb. nov.

— In male abdomen subtype 1Bb, but narrow, and urosternite V elongate (Fig. 65), in female resembles male, but broader; pronotum almost uniformly covered by inconspicuous ashy pubescence, basal constriction with band of denser pale yellow pubescence; antennae reach metacoxae in both sexes; in male lengths antennomere III/scape 1.47, in female 1.21; in male rostrum width/ length 2.31, in female 2.90; in male width of one inferior lobe of eyes/interocular distance 1.92, in female 1.21; in male prothorax widest before middle (prothoracic quotient 3.50), in female 3.55; in female base of prosternal process about one sixteenth (0.06) width of coxal cavity; in male lengths elytra/forebody 1.03, in female 1.08; in male length of elytra/width of humeri 2.49, in female 2.44; in male lengths mesosternum/metasternum 0.84, in female 0.91; in male widths of mesocoxal cavity/base of mesosternal process 2.4, in female 2.1; in male metatarsomere I/ II+III 1.13, in female 1.21. Male 15.9 mm. ( Fig. 31 ). Female 22.1 mm. ( Fig. 32 ). W and SE Mexico-Honduras .......................................... A. acutipennis ( Thomson, 1860) comb. nov.

5(3). Pronotum almost uniformly covered by inconspicuous ashy pubescence, basal and apical constrictions with band of denser, pale yellow pubescence; in male antennae reach middle of urosternite I, in female reach metacoxae; in male lengths antennomere III/scape 1.32, in female 1.24; in male rostrum width/length 2.46, in female 2.53; in male width of one inferior lobe of eyes/interocular distance 1.70, in female 0.94; in male prothorax widest well before middle (prothoracic quotient 2.62), in female 2.86; in male base of prosternal process about one eighth (0.12) width of coxal cavity, in female 0.10; in male lengths elytra/forebody 0.84, in female 0.82; in male length of elytra/width of humeri 2.18, in female 2.10; in male lengths mesosternum/ metasternum 1.14, in female 0.84; in male metatarsomere I/II+ III 1.23 , in female 1.27. Male 15.7 mm. ( Fig. 41 ). Female 18.4 mm. ( Fig. 42 ). S Mexico (Chiapas, Campeche, Quintana-Roo , Yucatán) .................................................................... A. yucateca ( Bates, 1892) comb. nov .

— Pronotum almost uniformly covered by inconspicuous ashy pubescence, basal and apical constrictions with narrow band of denser, ashy pubescence; in male antennae reach middle of urosternite I, in female reach apex metasternum; in male lengths antennomere III/scape 1.33, in female 1.25; in male rostrum width/length 2.25, in female 2.57; in male width of one inferior lobe of eyes/interocular distance 1.58, in female 1.13; in male prothorax widest well before middle (prothoracic quotient 2.90), in female 2.50; in male base of prosternal process about one twelfth (0.08) width of coxal cavity, in female 0.10; in male lengths elytra/forebody 1.01, in female 1.07; in male length of elytra/width of humeri 2.70, in female 2.60; in male lengths mesosternum/metasternum 1.14, in female 1.00; in male metatarsomere I/II+ III 1.06 , in female 1.07. Male 19.0 mm. ( Fig. 35 ). Female 18.4 mm. ( Fig. 36 ). W Mexico (Sinaloa, Nayarit, Jalisco) ............................................................... A. parva ( Chemsak and Linsley, 1979) comb. nov .

Figures

Figures 37–42. Species habitus in the genus Ameriphoderes. gen. nov. Figures 37–38. Ameriphoderes suavis (Bates, 1885). 37) male. 38) female. Figures 39–40. Ameriphoderes velutina (Bates, 1885). 39) male. 40) female. Figures 41–42. Ameriphoderes yucateca (Bates, 1892). 41) male. 42) female.

Figures 31–36. Species habitus in the genus Ameriphoderes. gen. nov. Figures 31–32. Ameriphoderes acutipennis (Thomson, 1860). 31) male. 32) female. Figures 33–34. Ameriphoderes ayalai (Chemsak and Linsley, 1988). 33) male. 34) female. Figures 35–36. Ameriphoderes parva (Chemsak and Linsley, 1979). 35) male. 36) female.