Notes on Naucoroidea (Insecta: Heteroptera). 3rd. Series. Scanning electron microscopy studies: the chorion of the eggs of Ambrysus (A.) attenuatus Montandon, A. (A.) acutangulus Montandon and A. (A.) stali La Rivers

Abstract

Chorionic sculpturing differs interespecifically in Ambrysus Stål. The eggs of three species were examined with scanning electron microscopy, described and illustrated. Different patterns on the chorion were found in the three species. In A. acutangulus and A. stali, a rounded area with different pattern appears at the anterior pole and the design disappears near the micropyla. In A. attenuatus the pattern is uniform on the surface.