Susuacanga

Botero, Juan Pablo, 2014, Review of the genus Susuacanga (Coleoptera, Cerambycidae, Cerambycinae), Zootaxa 3779 (5), pp. 518-528 : 520

Key to the species of the genus Susuacanga

1. Pronotum glabrous or with sparse setae, punctures fine and shallow or with fine grooves and rugosities................. 2

- Pronotum with pubescence and deep thick punctures well-defined............................................... 3

2. Elytra glabrous, apices truncated with spines at the margins, posterior eburneus callosities absent. United States (southern Ari- zona), Mexico (Baja California, Sonora, Sinaloa, Durango, Nayarit). (Fig. 15).................... S. ulkei ( Bland, 1862)

- Elytra with uniform, fine pubescence, apices rounded with small spine at internal margin, four eburneus callosities evident. United States (Arizona, southern California), Mexico (Baja California, Sonora). ( Fig. 7 )............ S. falli ( Linsley, 1940)

3. Elytra with at least one of the posterior eburneus callosities larger than or equal to the length of the scape................4

- Elytra with posterior eburneus callosities shorter than the length of the scape...................................... 7

4. Elytral apices rounded, with only a sutural spine............................................................. 5

- Elytral apices truncated and bispinose..................................................................... 6

5. Pronotum with dense, confluent punctures; integument light brown. Mexico (Oaxaca, Chiapas), Guatemala, Belize, Honduras, El Salvador. ( Figs. 4–6 )................................................ S. blancaneaui ( Bates, 1880) comb. nov.

- Pronotum with fine, sparse punctures; integument reddish brown. Mexico (Durango, Veracruz, Puebla, Oaxaca). ( Fig. 13 )................................................................................ S. rotundipennis ( Bates, 1884) .

6. External posterior eburneus callosities shorter than antennomere III, spines at elytral apices with the same length. Guatemala, Honduras. (Fig. 16).............................................................. S. wappesi ( Noguera, 2002) .

- External posterior eburneus callosities longer than antennomere III, external spine at elytral apex longer than inner. Mexico (Jalisco, Michoacán, Guerrero, Oaxaca). ( Fig. 8 )............................. S. hatsueae ( Chemsak & Giesbert, 1986) .

7. Apex of meso- and metafemora with spines longer than pedicel length........................................... 8

- Apex of meso- and metafemora with spines shorter than the pedicel, or with apex slightly projected....................9

8. Eburneus elytral callosities pubescent; scape, pedicel, femora and apex of antennomeres black. Brazil (Espírito Santo to Santa Catarina). ( Fig. 9 ).............................................................. S. maculicornis ( Bates, 1870)

- Eburneus elytral callosities glabrous (may be reduced to two little spots at base of elytra or absent), antennae and femora red- dish or orange. Colombia, Venezuela, Peru, Brazil, Bolivia, Paraguay, Argentina (Salta, Misiones). ( Figs. 17–23 )........................................................................................ S. octoguttata ( White, 1853)

9. Median lateral tubercle of pronotum projected in a long and curved spine. Mexico (Michoacán, Puebla, Morelos, Guerrero, Oaxaca). ( Fig. 12 )..................................................... S. poricollis ( Chemsak & Linsley, 1973) .

- Median lateral tubercle of pronotum rhomboid or slightly acute, but not spined.................................... 10

10. Elytral apices bispinose. United States (Texas, Arizona), Mexico (Nuevo León, Tamaulipas, Nayarit, Jalisco, Colima, Hidalgo, Veracruz, Puebla, Oaxaca, Campeche, Yucatán, Quintana Roo). ( Fig. 14 )................. S. stigmatica ( Chevrolat, 1834) .

- Elytral apices with only an inner spine.................................................................... 11

11. Posterior eburneus callosities separated laterally. Mexico (Chihuahua, Sinaloa, Guanajuato, Nuevo León, San Luís Potosí, Hidalgo, Veracruz). ( Fig. 11 )........................................................ S. patruelis ( Bates, 1884) .

- Posterior eburneus callosities contiguous laterally. Mexico (Campeche, Yucatán, Quintana Roo), Guatemala, Honduras. ( Fig. 10 ).................................................................... S. opaca ( Chemsak & Linsley, 1973) .

Figures

FIGURES 4 – 12. 4 – 6, Susuacanga blancaneaui, holotype, male, 4, dorsal view, 5, detail of head, 6, detail of gula; 7, Susuacanga falli, male; 8, Susuacanga hatsueae, female; 9, Susuacanga maculicornis, male; 10, Susuacanga opaca, male; 11, Susuacanga patruelis, male; 12, Susuacanga poricollis, male.

FIGURES 13 – 14. 13, Susuacanga rotundipennis, holotype, male; 14, Susuacanga stigmatica, male; 15, Susuacanga ulkei, male; 16, Susuacanga wappesi, male.

FIGURES 17 – 23. Susuacanga octoguttata, 17, syntype, male; 18, syntype of Eburia unicolor, male; 19, male; 20, female; 21, male; 22, “ paratype ” of Eburia octoguttata ab. basiquadriguttata, female; 23, “ paratype ” of Eburia octoguttata ab. inguttata, female.