- paraphyletic
- parasitoid
- parenchyma
- parthenogenesis
- phenology
- pheromone
- phylogeny
- phytophagous
- plesiomorphy
- polyphagous
- polyphyletic
- postabdomen
- posterior
- postocellar bristle
- postsutural
- predator
- pregenital
- pregonite
- prescutellar bristles
- presutural dorsocentral bristles
- proboscis
- processus longus
- proclinate
- proctiger
- proximal
- ptilinum
- pubescence
- pupa
- puparial cleavage lines
- puparium