anterior view / head (seta)
1st flagellomere
(3rd antennal segment)
触角 第3節［しょっかくだいさんせつ］
antennal segment 1 antennal segment 1 antennal segment 2 antennal segment 2 palp palp vibrissae vibrissae arista arista anterior oribital anterior oribital middle oribital middle oribital ocellar seta ocellar seta post oribital post oribital interocellar interocellar