Euscelus oaxacensis, Hamilton, R. W., 2001

Hamilton, R. W., 2001, New Species Of Euscelus Schoenherr From Central America (Coleoptera: Attelabidae), The Coleopterists Bulletin 55 (4), pp. 453-470 : 454

Key to Euscelus Species of Central America

1 Elytral striae distinct from base to apex of elytra, sometimes dense and deep throughout; intervals at elytral declivities more or less raised --------- 2

1' Elytral striae not distinct throughout, more distinct at base, becoming smaller and more or less indistinct posteriorly; intervals at declivities not raised ------------------------------------------------------------------------------------------------------------------------------- 13

2 Elytra with acute spine on each side near middle, dorsally between spines with pair of broadly rounded smooth tubercles -------- E. inaequalis (Sharp)

2' Elytra without acute lateral spines and without pair of broadly rounded smooth tubercles between spines --------------------------------------------------------------------------- 3

3 Elytra with numerous yellowish marks, some barlike and confined to specific intervals ------------------------------------------------------------------------------------------------------------------ 4

3' Elytra without numerous yellowish marks; either without marks or with only a pair of yellowish round or oval convex spots near middle ----------- 7

4 Interval markings at elytral declivities forming six parallel yellowish barlike marks (interval 4 and 8 not yellowish); elytra usually with small broadly acute lateral tubercles on both sides near middle --------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- E. breviceps (Sharp)

4' Interval markings at elytral apices not exactly as above, lateral acute tubercles not present near middle of elytra ------------------------------------------------------------ 5

5 Interval markings at elytral declivities forming two V­shaped yellowish marks on each side ( Fig. 1b ); yellowish marks associated with intervals 1, 3, 5 and 7; sometimes apex of interval two also yellowish; body length (excluding rostrum) 5.8 mm or more ----------------------------- E. oaxacensis , n. sp.

Figures

Figs. 1–6. New species of Euscelus, males,16X; left profemur (a) and dorsal habitus (b). 1) E. oaxacensis; 2) E. stockwelli; 3) E. similis; 4) E. spinosus; 5) E. bivittatus; 6) E. maculicollis.