Cyphacolus

Valerio, Alejandro A., Masner, Lubomir & Austin, Andrew D., 2010, Systematics of Cyphacolus Priesner (Hymenoptera: Platygastridae s. l.), an Old World genus of spider egg parasitoid, Zootaxa 2645, pp. 1-48 : 10

Key to the known species of Cyphacolus males

1 Mesoscutum with dense, fine, costate sculpture; mesoscutellum globose .................................................................. 3

- Mesoscutum mainly smooth except for notauli (if notauli present), without any costate sculpture; mesoscutellum flat ...................................................................................................................................................................................... 2

2 Notauli present, length approximately 0.5x mesoscutum length; posterior edge of mesoscutum without short longitudinal costae; compound eye normal in size, malar space as large as compound eye height; body mainly dark honey brown.......................................................................................................... C. tullyae Valerio, Masner & Austin, n.sp.

- Notauli absent; posterior edge of mesoscutum with short longitudinal costae (Fig. 102); compound eye minute, malar space nearly 1.5x larger than compound eye height; body pale yellow with metasomal terga honey yellow ....................................................................................................................... C. harteni Valerio, Masner & Austin, n.sp.

3 Posterolateral areas of mesoscutellum with broad, longitudinal ridges which are shorter at midposterior area, remainder of mesoscutellum smooth; body color yellow with T2–T6 dark brown; body size large ( 1.8 mm).................................................................................................................................... C. asheri Valerio, Masner & Austin, n.sp.

- Posterolateral areas of mesoscutellum never with longitudinal ridges; body color mainly honey yellow or completely dark brown; body size variable ........................................................................................................................ 4

4 Mesoscutellum completely covered with granulate sculpture; lower 1/3 of head in anterior view with a transverse dark band; body size large ( 1.98 mm)...................................................... C. lucianae Valerio, Masner & Austin, n.sp.

- Mesoscutellum smooth medially, coriaceous anterolaterally; transverse dark band on face present or absent; body size smaller (< 1.60 mm) .............................................................................................................................................. 5