👉 In the context of biology, a "hydrothecae" is a type of insect that feeds on the excreta (urine) of other insects. This behavior occurs in certain species of flies, which are known as "microfilaria". These microfilariae feed on the urine and feces of their host, whereupon they produce hydrocarbons, which are then expelled from the body through the urethra. This behavior is often used by these insects for reproductive
