Paragrilus angulaticollis Waterhouse

Hespenheide, Henry A., 2002, A review of North and Central American Paragrilus Saunders, 1871 (Coleoptera: Buprestidae: Agrilinae), Zootaxa 43, pp. 1-28 : 14-15

Paragrilus angulaticollis Waterhouse

( Fig. 9 )

Paragrilus angulaticollis Waterhouse, 1889: 124 .

Diagnosis: Agriliform, flattened above, pronotum, head with golden reflections on lower half, pronotum bronzy with reddish reflections medio­laterally, elytra dark bluish violet, black beneath; 5.7 mm long. Head with front narrowly convex, narrowly, deeply impressed along midline on upper 4/5 with deeper linear depression above middle; indistinct protuberances above middle and between eyes and medial depression; eyes flat; epistoma barely depressed between antennal insertions, ventral margin distinctly produced, quadrate, angulate­emarginate, angles narrowly acute; surface densely shagreened. Pronotum shallowly undulate, prehumeral callosity small, weakly indicated by shallow lateral depressions, very strong at lateral margins; prehumeral callosity produced outward and anteriorly to form a carina above and roughly parallel to marginal carina on basal 1/2; anterior angles prominently rounded­angulate; disc very strongly depressed along midline at basal margin before scutellum and at base of lateral depressions, and a shallow transverse depression along midline anterior to middle, surface strongly shagreened on basal half, becoming minutely transversely striolate on anterior half. Elytra with posthumeral carina extending as far beyond hind coxae as before, surface densely shagreened, appearing velvety, with fifth interval faintly raised; apices broad, rounded­subquadrate, slightly flared externally. Posterior angles of hind coxae rounded­subquadrate, depressed.

Type: México: “Tapachula, Chiapas, Höge” (BMNH). Known only from the unique male type.

Host: Unknown.

Discussion: This beautiful and distinctive species was mistakenly listed from Guatemala by Obenberger (1935).

Figures

FIGURES 7 ­ 12. North and Central American Paragrilus, dorsal view ­ P. trifoveolatus group ­ 7. P. tenuis (LeConte); 8. P. impressus (Chevrolat); 9. P. angulaticollis Waterhouse; 10. P. laevicollis Waterhouse; 11. P. azureus n. sp.; 12. P. trifoveolatus Waterhouse.