Macrosiagon octomaculata ( Gerstaecker, 1855 )

Ulysséa, Mônica Antunes & Albertoni, Fabiano Fabian, 2020, Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae), Papéis Avulsos de Zoologia 60 (25), pp. 1-26 : 3

Macrosiagon octomaculata ( Gerstaecker, 1855)

Diagnosis: Adults of Macrosiagon octomaculata ( Figs. 1-3 ) can be distinguished from other species of Macrosiagon by the elevated process at the apex of the pronotal disc ( Batelka, 2011b); concolorous pronotum and elytra that are yellow or orange with black marks or black with yellow or orange marks ( Rivnay, 1929; Linsley & MacSwain, 1951; Vaurie, 1955); two foremost metatarsomere rounded ( Vaurie, 1955); and second metatarsomere thicker and shorter than, or subequal to, the third ( Rivnay, 1929; Linsley & MacSwain, 1951).

Distribution: Widely distributed throughout the Americas with records from the USA (Alabama, Arizona, California, Florida, Georgia, Illinois, Kansas, Missouri, North Carolina, New Mexico, Texas, and Virginia) ( Gerstaecker, 1855; LeConte, 1858; Horn, 1875; Rivnay, 1929; Linsley & MacSwain,1951), Guatemala (Chamiquin, Chimaltenango, and San Jeronimo), Panama (Chiquiri), Colombia, Guyana (former British Guiana) ( Vaurie, 1955), French Guiana ( Batelka, 2011b), Brazil (states of Bahia and Pernambuco) ( Gerstaecker, 1855), Peru ( González & Juárez, 2016), Paraguay and Argentina ( Batelka, 2011b).

Figures

Figures 1-3. Macrosiagon octomaculata (Gerstaecker, 1855) adult female habitus:two phenotypes.(1) dorso-lateral;(2) ventro-lateral;(3) dorsal.