ExFmem for ruling out Mantis religiosa - you are right
I lean towards
Miomantis for all of them, though the 2016 individual may be different.
All of them are males which have stronger and longer antennae and more pronounced ocelli. (but less so in the 2016 one)
Here a genus diagnosis:
https://www.biotaxa.org/fnz/article/viewFile/1765/2911
Genus Miomantis Saussure
Diagnosis.
Moderately small mantids, variably green/brown in color.
Head broader than long, distinctly wider than pronotum, especially in female; ocelli and antennae inserted on anterior face, the ocelli without prominent tubercles or elevations and the antennae filiform; frons much wider than high, with corners more or less rounded; eyes rounded or conical but not projecting.
Pronotum moderately slender, anteriorly rounded and narrower than posterior, with a flat, oval, weak supracoxal swelling, the disc, which in female is occasionally granular with serrated edges.
Wings present in both sexes; in male well developed, hyaline, occasionally somewhat smoky, the tegmina having a longitudinal coloured stripe between costal and discoidal fields; in female somewhat shortened, variable in length, opaque, the tegmina with costal field at most half as
wide as discoidal field.
Raptorial legs strong; coxa longer than metazone of pronotum, with strongly developed denticles; femur moderately slender, with 4 discoidal and
4 outer teeth; ventral surface around outer teeth with several denticles; claw-furrow situated in proximal half of femur; tibia with 7 teeth in outer row.
Middle and hind legs normal; middle metatarsus as long as other segments together, hind metatarsus longer.
Suranal plate triangular, not elongate. Cerci moderately short, simple.
Sexual dimorphism strong.
Remarks.
Miomantis is in urgent need of revision, as many of the species named by Giglio-Tos are based on colour only. Beier (1955) points out that the only certain way of distinguishing the species is by way of the structure and form of the male genitalia
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