Poecilocloeus, Bruner, 1910, Bruner, 1910

Constantino, Luis Miguel, Cadena-Castañeda, Oscar J., Granda, Juan Manuel Cardona, Machado, Pablo Benavides & Botero, Carmenza Góngora, 2018, A new Colombian pest species of the genus Poecilocloeus Bruner (Orthoptera: Acrididae: Proctolabinae) on coffee, with a key to the Neotropical species, Insecta Mundi 621, pp. 1-25 : 5-6

Key to species of the fruticolus group

(Adapted from Descamps 1980)

1. Apical part of the cerci not spatulate............................................... 2 — Apical part of cerci clearly spatulate......................... P. pervagatus Descamps

2(1). Cerci with a distal prolongation curved upwards as a hook, with no pre-apical curling; lower margin (in side view) with no ventro-posterior apophysis............................ 3

— Cerci of other kind, with a shoulder-shaped sub-apical prolongation on the lower margin, visible on side view or the posterior margin of the apical part curved and with a ventro-apical apophysis................................................................... 7

3(2). Apical portion of cerci curving upwards, but not in a straight angle; upper margin of the basal part of cerci wavy with no well differentiated protuberances; lower valves of aedeagus with a long and straight apophysis............................... P. fruticolus Descamps

— Apical portion of cerci curving vertically upwards; upper margin of the basal part of cerci with well differentiated protuberances................................................ 4

4(3). Apical part of cerci very wide, laterally compressed. Lower valves of aedeagus with two prominent curvatures joining on the apophysis............................................. 5

— Apical part of cerci narrow, tapering toward the tip. Lower valves of aedeagus with no curvatures.................................................................. 6

5(4). Margin and end half of epiproctus pigmented with black; cerci with distal portion moderately slender. Upper valves of aedeagus thick and sub-cylindrical............................................................. P. portilloi Cadena-Castañeda and Cardona

— Epiproctus with no pigmented margins, cerci with distal portion wider than in the former species. Upper valves of aedeagus thin and rectangular................ P. cornutus Descamps

6(5). Upper valves of aedeagus wide in side view; lower valves with a strong, ventrally oriented apophysis................................................... P. bora Descamps

— Upper valves of aedeagus thin (in side view); lower valves with a small spiniform apophysis................................................. P. uncus Descamps

7(6). Cerci with a small, shoulder-shaped prolongation on the lower margin.................. 8 — Cerci shaped otherwise.......................................................... 9

8(7). Light stripe on the pronotum of a constant width; sub-apical prolongation of the lower margin of cerci strong and longer than the apical prolongation; lower valves of the aedeagus slightly spiral-shaped........................................ P. luteovittatus Descamps

— Light stripe in the pronotum gradually widening towards the rear; subapical prolongation of the lower margin of cerci shorted and less prominent than the apical prolongation; lower valves of aedeagus noticeably spiral-shaped....................... P. cochleatus Descamps

9(8). Cerci thin, distal portion margin curved and with no developed process............................................................................................. 10

— Cerci thick, with a short ventro-apical process.................................................................................................................. 11

10(9). Apical portion of cerci short and thick, valves of aedeagus short, lower valves with a long apophysis, wider than the upper valve and widened in dorsal view........ P. calcarifer Descamps

— Apical portion of cerci long and thin; valves of aedeagus long, lower valves with a short, apophysis upper valves non-dilated................................... P. claviger Descamps

11(10). Cerci very thick; dorsal margin of cerci with noticeable protuberances; epiproctus with latero-distal protuberances rounded. Lower valves of aedeagus thin and parallel in dorsal view. Ancorae of epiphallus prominent and long, spine shaped........... P. equatoriensis Descamps

— Cerci moderately thick, dorsal margin of cerci with no conspicuous protuberances; epiproctus with latero-distal margins triangular and well defined. Lower valves of aedeagus ribbonshaped, moderately thick and divergent in dorsal view. Ancorae of epiphallus reduced and thin.................................................... P. coffeaphilus n. sp.