Acanthops falcata, also known as the South American Dead Leaf Mantis or Boxer Mantis, is a species of praying mantis famous for its near-perfect mimicry of shrivelled, dead leaves. Native to Central and South America, it belongs to the family Acanthopidae and is a popular choice for insect hobbyists due to its unique appearance and relatively easy care. 
 
Key Characteristics
Mimicry: At rest, they resemble a curled-up, dead leaf. Their body shape and coloration recreate details like leaf veins and shrivelled edges.
Sexual Dimorphism: This species shows extreme differences between genders:
Females: Larger (400–500 mg) and flightless. Their wings are reduced and, when lifted, reveal bright warning colours on the abdomen.
Males: Smaller (under 200 mg) with long, functional wings that allow them to fly.
"Boxer" Behaviour: It earned the name "Boxer Mantis" because it often holds its forearms out and waves them in a way that looks like a boxer in a ring.
Life Cycle: Females can live about 6 months, laying up to 16 oothecae (egg cases). Nymphs typically reach adulthood in roughly 2 months after 7 moults. 
 
Care and Habitat
For those keeping them as pets, they require a tropical environment: 
Temperature: 24–30 °C is ideal.
Humidity: Should be kept between 50–70%.
Diet: They prefer flying prey like flies or moths, though they will also take small hoppers or locusts.