Normal
It's a subadult Garden Mantis (O. ministralis). A sure way to determine its sex is to count the segments on the underside of its abdomen from the tip to its legs. Females have 6 segments due to overlapping & the formation of a 'scoop,' while males have >6. In the daytime, I usually find these guys hanging from the underside of leaves but at night, they're on top of the leaf, which would suggest that they are nocturnal. Hibiscusmile & Superfreak are right in saying that they are voracious predators. In fact, Superfreak showed me that they have a habit of decapitating siblings in captivity when they are hungry. Indeed a great species!