Macrodactylus lineatus Chevrolat, 1834

Arce-Pérez, Roberto & Morón, Miguel Ángel, 2020, Review of the species of Macrodactylus Dejean (Coleoptera: Scarabaeidae Melolonthinae) from the Central American Nucleus, Zootaxa 4772 (3), pp. 567-584 : 575

Macrodactylus lineatus Chevrolat, 1834

Figs. 19, 42–44, 87

Material examined. 3 specimens: 1 ♂, 2 ♀.

Diagnosis. Body length 9–10 mm; integument of the body black; antennae, clypeus, elytra and legs (except darkened apices of the tibiae and tarsi) reddish yellow; elytra darkened in the apical half, with three well-defined longitudinal bands of setae on interstices 1, 3, and 5, and one submarginal line of setae; tarsi without rings of setae (Fig. 19); parameres glabrous, fused dorsobasally, forming an oval in distal view, with apices lanceolate and sharp (Figs. 42–43). Female similar to male; genital plates (Fig. 44).

Natural history. This species inhabits cloud forest in the state of Veracruz and mountain rainforest in Chiapas between 800 and 1,890 m (additional information in Arce-Pérez & Morón 2000, 2011).

Geographical distribution. In the Central American nucleus, this species occurs in southwestern Chiapas, Mexico (Fig. 87). The following represent a new records for Mexico: Oaxaca, Santa Cruz Teotilapan, 1,170 m, 28.vi.1998, G. Nogueira, 1♂ ( IEXA) ; Chiapas, 8.5 miles N, Villa de Corzo , 2.vii.1981, J. Mathiu, in vegetation, 2 ♂ ( IEXA) ; Ocozocuautla-Mal Paso , 1.vii.1981, in the forest, J. Mathiu, 3♀ ( IEXA) .