Macrosiagon vitta

Falin, Zachary H., 2004, Revision of Three New World Macrosiagon Hentz Species (Coleoptera: Ripiphoridae: Ripiphorinae) with a Discussion of Phylogenetic Relationships within the Macrosiagonini, The Coleopterists Bulletin 58 (1), pp. 1-19 : 3

Key to the Species of the Macrosiagon vitta Species Group

1 2nd metatarsomere cylindrical, longer than 3rd ( Fig. 3 ); frons noticeably concave from base of antennae to frontoclypeal margin in profile ( Fig. 1 ) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - M. gracilis Manfrini de Brewer

1 9 2nd metatarsomere flattened dorsally, less than 1/2 the length of the 3rd ( Fig. 4 ); frons nearly flat from base of antennae to frontoclypeal margin in profile ( Fig. 2 ) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

2 Frontoclypeus with medial notch ( Fig. 5) - - - - - - - - - - - - - - - - - - - M. mutilata (Gerstaecker)

2 9 Frontoclypeus straight or slightly emarginate ( Fig. 6) - - - - - - - - - - M. vittata (Erichson)

Figures

Figs. 3–4. Macrosiagon spp., metatarsus, dorsal view. 3) M. gracilis; 4) M. mutilata.

Figs. 1–2. Macrosiagon spp., females, lateral habitus. 1) M. gracilis; 2) M. mutilata.