Pyropteron Newman, 1832

Bartsch, Daniel, Pühringer, Franz, Milla, Liz, Lingenhöle, Arthur & Kallies, Axel, 2021, A molecular phylogeny and revision of the genus Pyropteron Newman, 1832 (Lepidoptera, Sesiidae) reveals unexpected diversity and frequent hostplant switch as a driver of speciation, Zootaxa 4972 (1), pp. 1-75 : 13

Pyropteron Newman, 1832

Pyropteron Newman, 1832 : Entomological Magazine, 1: 75. Type species: Sphinx chrysidiformis Esper, 1782 , by monotypy.

Diagnosis. Relatively small, coloration usually black or brown with red to yellow and whitish markings. Proboscis well developed and functional; frons pale, yellow or white, adjacent to the eyes dark (completely black in P. atypica ); antenna dorsally black, often with white, subapical patch, especially in females; abdomen usually with yellow or white caudal margins on tergites 2, 4, 6 (7 in male); abdomen usually with dorso-medial row of points or stripes (with the exception of the P. chrysidiformis group); forewing veins R1 and R2 parallel, distally somewhat approximated, rarely distally coincident ( P. umbrifera group), R4 and R5 stalked. Male genitalia with medial gnathos flap large, regularly bifurcate; scopula androconialis present; valva apically pointed or rounded; crista sacculi high, distally curving ventrad, subdistally occasionally interrupted by a gap; phallus proximally enlarged, distally long and thin; vesica simple, basally with numerous sclerotized cornuti. Female genitalia with segment 8 long; ostium bursae usually positioned in membrane between segments 7 and 8, or inserted medially in the membrane that closes segment 8 ventrally ( P. chrysidiformis group); antrum short and membranous or sclerotized ( P. chrysidiformis group); corpus bursae oval, without or with a weak signum.