Rhyparus suspiciosus Cartwright & Woodruff, 1969

Mora-Aguilar, Eder F. & Delgado, Leonardo, 2019, A new Mexican species of Rhyparus Westwood (Coleoptera: Scarabaeidae: Aphodiinae), with new records and a key to the Mexican and Guatemalan species, Zootaxa 4609 (1), pp. 196-200 : 199

Rhyparus suspiciosus Cartwright & Woodruff, 1969 new country record

This species is known from Cartago Province in Costa Rica ( Cartwright & Woodruff, 1969). One specimen represents a new country record, labeled: “ GUATEMALA: Zacapa, Arriba de la Unión, 10-V-1992, Alt. 1,300 m, luz, H. Castañeda col.” (IEXA) ( Fig. 10 ).

Key to the Mexican and Guatemalan species of Rhyparus (partially modified from Cartwright & Wood-

ruff 1969)

1 Elytral intervals all with two rows of punctures or less........................................................ 2

- One or more elytral intervals with three rows of punctures..................................................... 3

2 Pronotum with two middle basal ridges divergent posteriorly. Second elytral interval with most punctures separated by more than one puncture diameter on each row ( Fig. 7 )................................. R. opacus Cartwright & Woodruff

- Pronotum with two middle basal ridges almost parallel. Second elytral interval with most punctures separated by one puncture diameter on each row ( Figs. 1, 4 )...................................... R. chimalapensis Mora-Aguilar & Delgado

3 Second elytral interval with three rows of punctures........................... R. costaricensis Cartwright & Woodruff

- Second elytral interval with two rows of punctures.......................................................... 4

4 Pronotum with middle basal ridges divergent posteriorly. First pair of elytral costae fine and depressed over middle length, wider and elevated basally and apically; second pair uniformly elevated over disc.... R. suspiciosus Cartwright & Woodruff

- Pronotum with middle basal ridges arcuate inwards. Costae more-or-less equal and uniformly elevated except at ends............................................................................ R. mexicanus Cartwright & Woodruff

Figures

FIGURE 10. Geographical distribution of Mexican and Guatemalan species of Rhyparus. Rhyparus chimalapensis (black circle), R. costaricensis (black triangle), R. mexicanus (open triangle), R. opacus (open circle), and R. suspiciosus (open square). Elevational limits each 600 m; darker and punctate lines indicate higher elevation.

FIGURES 1–9. Morphological characters of Rhyparus chimalapensis and R. opacus. Rhyparus chimalapensis holotype female: 1, dorsal habitus; 2, lateral habitus; 3, head; 4, pronotum; 5, elytral apex; 6, ventral habitus. Rhyparus opacus male: 7, dorsal habitus; 8, head; 9, elytral apex.