Hypognathus type of head is found in:

✅ Explanation:Insects with hypognathus heads have their mouthparts facing downwards. This means the mouthparts hang vertically below the head capsule.
Hypognathous head type is characterized by:Features
-Mouthparts directed downward (hypognathous means "under-jawed").
-Mandibles and maxillae oriented vertically.
-Labium forms a distinct, separate structure.
Examples
-Grasshoppers (Acrididae)
-Crickets (Gryllidae)
-Katydids (Tettigoniidae)
-Locusts (Acrididae)
Other Head Types
-Prognathous: Mouthparts directed forward (e.g., beetles, weevils).
-Orthognathous: Mouthparts oriented straight (e.g., bugs).
-Opisthognathous: Mouthparts directed backward (rare, some flies).