Paecilaema, C. L. Koch, 1839

Kury, Adriano B. & Medrano, Miguel, 2018, A whiter shade of pale: anchoring the name Paecilaema C. L. Koch, 1839 onto a neotype (Opiliones, Cosmetidae), Zootaxa 4521 (2), pp. 191-219 : 204

Key to the nine species confirmed in Paecilaema

1. Outline of the U blot made of solid punctulations entirely fused along the outline; FT semicircular ( Figs 5 B–C).......... 2

1’. Outline of the U blot made of isolated rounded blots; FT triangular ( Figs 4 , 5A , D–F, 6D–F).......................... 3

2. Scutal area III entirely unarmed; backbone formed by isolated round blots, sometimes much reduced; FM wide open, shaped like a Greek vase; diaphanous body very faint ( Fig. 5C )............................................... P. muticum

Figures

FIGURE 4. Lyra of Paecilaema u-flavum (schematic, to show the regions recognized here). Abbreviations: FM = fenestra magna; FT = fenestra triangularis. FLA and FLP = fenestrae laterales anterior and posterior.

FIGURE 5. Metavononoides and Paecilaema spp., body, dorsal view, schematic: A. M. barbacenensis. B. M. guttulosus. C. M. orientalis. D. P. ornatissimum. E. P. albosigillatum. F. P. albisectum. Color scheme of lyre as in Fig. 4: Olive-green = solid punctulations; shades of orange = diaphanous body of lyre.