Its name is derived from scutellar foveae are present; simple claws, sometimes carrying a short basal lobe.
2.
The outer squama ( c ) arises from the wing base behind the third axillary sclerite ( 3Ax ) and evidently represents the jugal lobe of other insects ( A, D ); the larger inner squama ( d ) arises from the posterior scutellar margin of the tergum of the wing-bearing segment and forms a protective, hoodlike canopy over the halter.
3.
The outer squama ( c ) arises from the wing base behind the third axillary sclerite ( 3Ax ) and evidently represents the jugal lobe of other insects ( A, D ); the larger inner squama ( d ) arises from the posterior scutellar margin of the tergum of the wing-bearing segment and forms a protective, hood-like canopy over the halter.
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