Plocaederus Dejean, 1835

Botero, Antonio Santos-Silva Kimberly García Juan Pablo, 2021, A review of the history of the names Hamaticherus Dejean and Plocaederus Dejean and description of a new genus and species (Coleoptera: Cerambycidae: Cerambycinae), Insecta Mundi 2021 (887), pp. 1-32 : 4-5

Plocaederus Dejean, 1835

Plocaederus Dejean 1835: 321 (partim); White 1853: 124 (partim); Sama 1991: 123; Bousquet and Bouchard 2013: 90

(partim). Hamaticherus Dejean 1821: 105 (partim); Audinet-Serville 1834: 15; Chevrolat 1861: 247; Thomson 1861: 196 (partim);

Strauch 1861: 128 (partim); Pascoe 1863: 559 (partim); Thomson 1864: 228; Aurivillius 1912: 50 (partim); Martins and

Monné 2002: 155 (syn.); Monné 2005: 51 (cat.); Monné 2012: 11; Monné 2021: 65 (cat.). Cerambyx (Hamaticherus) ; Laporte 1840: 428 (partim). Hammaticherus ; Lacordaire 1868: 255 (partim); Chenu 1860: 313; Bates 1870: 250 (partim). Hammatochaerus Gemminger 1872: 2800 (cat., emend.; partim); Heyne and Taschenberg 1907: 238 (partim). Type species – Hamaticherus bellator Audinet-Serville, 1834 (subsequent designation, Thomson, 1864: 228). Brasilianus Jakobson, 1924: 238 (partim); Zajciw, 1966: 47 (key spp.; partim). Type-species – Cerambyx batus Linnaeus, 1758 (original designation, invalid designation). Macrobrasilianus Fragoso, 1971: 7 (partim); 1982: 149 (partim). Brasilianus (Macrobrasilianus) ; Fragoso and Tavakilian, 1985: 239 (partim); Monné, 1993: 7 (partim). Type-species – Hamaticherus bellator Audinet-Serville, 1834 (original designation).

The following references currently included in Hamaticherus (= Plocaederus ) need to be transferred to that of Juiaparus Martins and Monné, 2002 : LeConte (1873: 301); Bates (1879: 16); LeConte and Horn (1883: 286); and Leng (1884: 115).

Key to American genera of Cerambycina ( Cerambycini )

This key is translated and adapted from Martins and Monné (2002).

1. Procoxal cavities open behind....................................... Plocaederus Dejean, 1835

— Procoxal cavities closed behind............................................................. 2

2(1). Antennomere III with long and curved apical spine............................................ 3 — Antennomere III without apical spine or with spine perpendicular to antennal axis................ 7

3(2). Apical spine of antennomere IV with apex directed backward; outer spine of elytral apex short.................................................................... Peruanus Tippmann, 1960

— Apical spine of the antennomere IV similar to that of antennomere III, directed forward............................................................................................. 4

4(3). Antennae in males twice length of body..................... Juiaparus Martins and Monné, 2002

— Antennae in males reaching elytral apex.................................................... 5

5(4). Antennae in males reaching the middle of elytra; antennal tubercles not close to each other; scape rugose, at least on outer side of apical half; antennomere V slightly longer than IV; abdominal ventrites in males with abundant long setae............... Hirtobrasilianus Fragoso and Tavakilian, 1985

— Antennae in males reaching or surpassing elytral apex; antennal tubercles close to each other; scape not rugose; antennomere V longer than IV; abdominal ventrites in males without long setae....... 6

6(5). Antennae reaching elytral apex in males, and apical quarter of the elytra in females; antennomere IV half of length of III........................................... Atiaia Martins and Monné, 2002

— Antennae surpassing the elytral apex in both sexes; antennomere IV longer than half length of III....................................................... Paratiaia Dalens and Giuglaris, 2012

7(2). Head and mandibles in males tumid and widened; sides of clypeus tuberculate (in large males); antennae in males with sexual pubescence........................... Bothrocerambyx Schwarzer, 1929

— Mandibles in males without modifications; sides of clypeus without tubercle; antennal in males without sexual pubescence.................................................................... 8

8(7). Antennomeres III and IV with long spine, perpendicular to antennal axis............................................................................... Jupoata Martins and Monné, 2002

— Antennomere III unarmed or with short spine; antennomere IV with distinct spine (curved backward or perpendicular to antennal axis)........................................................ 9

9(8). Antennomere IV about as long as 1/3 of length of III, with long apical spine, often arched upward.......................................................... Potiaxixa Martins and Monné, 2002

— Antennomere IV about as long as half of length of III, without apical spine or with spine short and perpendicular to antennal axis........... Hamaederus Santos-Silva, Garcia and Botero , gen. nov.