Definitions
costa
n. a longitudinal vein, usually forming the front margin of the wing in insects
a. costal area: pertaining to the area of the costa, that part just behind the front margin of the wing in insects
a. costal break: a point on the costa where the vein appears broken or weakened
a. costal margin: the front margin of the wing
a. costal area: pertaining to the area of the costa, that part just behind the front margin of the wing in insects
a. costal break: a point on the costa where the vein appears broken or weakened
a. costal margin: the front margin of the wing
a. costal area: pertaining to the area of the costa, that part just behind the front margin of the wing in insects
a. costal break: a point on the costa where the vein appears broken or weakened
a. costal margin: the front margin of the wing
n. in palmate and costapalmate leaves, the junction of the leaf and petiole
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