obtect造句

• However, the pupae may be exarate ( have movable legs, wings, antennae, etc . ) or obtect ( covered in a hard case with the legs and wings attached immovably against the body ).
• In some groups, particularly the Nematocera, the pupa is intermediate between the larval and adult form; these pupae are described as " obtect ", having the future appendages visible as structures that adhere to the pupal body.
• The pupae of most Lepidoptera are " obtect ", with appendages fused or glued to the body, while the rest have " exarate " pupae, having the antennae, legs, and wings free and not glued to the body.
• Near pupation, the wings are forced outside the epidermis under pressure from the hemolymph, and although they are initially quite flexible and fragile, by the time the pupa breaks free of the larval cuticle, they have adhered tightly to the outer cuticle of the pupa ( in obtect pupae ).