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