Palliolatrix, Prena, 2006

Prena, Jens, 2006, Descriptions of Palliolatrix gen. n. and seven new species from Middle America (Coleoptera: Curculionidae: Baridinae), Zootaxa 1319 (1), pp. 15-28 : 19

Key to the Middle American species of Palliolatrix

1. Elytra with macula of black scales ............................................................................... 2

­ Elytra without black macula, yellowish or red color­pattern present or not ................ 3

2. Elytra with moderately raised preapical callus, additional median callus at interstriae 3 and 4 absent; pronotal disk without pair of tubercles; preapical callus without vitta of light colored scales ( Fig. 1, 2 ); dorsal transition between head and rostrum slightly depressed; Guatemala and Mexico (Chiapas)...............................1. P. quadrimaculata

­ Elytra with notably raised preapical callus and additional median callus at interstriae 3 and 4 (may be indistinct in small specimens); pronotal disk with pair of tubercles, preapical callus with vitta of light colored scales ( Fig. 3 ); dorsal transition between head and rostrum angular; Guatemala to Colombia................................. 2. P. tuberosa

3. Total length 4.9–5.2 mm; prothorax and elytra with color­pattern of vermilion and light yellow scales ( Fig. 8 ) ........................................................................ 6. P.pulchra

­ Total length 6.9–10.3 mm; prothorax and elytra without vermilion scales................... 4

4. Femoral tooth minute, shorter than tarsal claw ( Fig. 13 ) ............................................. 5

­ Femoral tooth distinct, approximately as long as tarsal claw ( Fig. 12, 14 ) ................. 6

5. Body with distinct vestiture of elongate yellowish scales ( Fig. 4 ), pronotum larger, bell­shaped ................................................................................................ 3. P. infucata

­ Body with vestiture of microscopic hairs and minute scales ( Fig. 5 ), pronotum smaller, conical ..................................................................................................... 4. P. attenuata

6. Venter with indistinct yellow hairs; Costa Rica and Panama, Cordilleras Central and Talamanca ............................................................................................. 5. P. palliolatrix

­ Venter with light yellow, oval scales; Colombia, Pacific side ..................................... 7

7. Elytral interstriae 3 and 5 without distinct vitta of light­colored scales, interstria 3 with distinct callosity at middle ( Fig. 9 )..............................................................7. P.crassa

­ Elytral interstriae 3 and 5 with distinct vittae of light­colored scales, interstria 3 without callosity at middle ( Fig. 10 )..................................................................8. P. virgata

Figures

FIGURES 1–10. Dorsal and lateral aspects of species of Palliolatrix. 1, P. quadrimaculata (HT); 2, P. quadrimaculata s. l. (Guatemala, Zapotitlan); 3, P. tuberosa; 4, P. infucata; 5, P. attenuata; 6–7, P. palliolatrix; 8, P. pulchra; 9, P. crassa; 10, P. virgata.

FIGURES 11–28. Palliolatrix. 11, venter, male, P. palliolatrix. 12–15, metafemur and tibia; 12, P. palliolatrix; 13, P. infucata; 14, P. crassa; 15, P. pulchra. 16–25, male genitalia and associated structures; 16, sternite 8, P. palliolatrix; 17, sternite 9, P. palliolatrix; 18, ditto, P. crassa; 19, tegmen, P. palliolatrix; 20, aedeagus, lateral, P. palliolatrix; 21, apex of aedeagus, dorsal, P. palliolatrix; 22, ditto, P. crassa; 23, aedeagal flagellum, P. palliolatrix; 24, ditto, detail; 25; ditto, P. crassa. 26–28, female genitalia and associated structures, P. palliolatrix; 26, sternite 8; 27, genital tract; 28, stylus. Scale 0.5 mm for genitalia except 24–25 (0.1 mm), 27 (1.0 mm) and 28 (0.2 mm).