Table 1.

Adult pharyngeal sense organs: neuronal composition, function and expression pattern of P[GAL4] lines used

Total number of Elav-positive cells Number of GAL4-expressing cells
Sense organSensillum typeNumber of neuronsFunctionCSMJ94MJ94prosV1
dcsoPosterior3Gustatory6 (n=4)6 (n=15)60
Anterior3Gustatory
Accessory cells02
Proximal*2*Gustatory*?
vcsoMiddle2Gustatory8 (n=11)8 (n=9)80
Distal4Gustatory
Accessory cells03
lso1-66×1Mechanosensory
78Gustatory18 (n=11)18 (n=7)180
82Gustatory and mechanosensoryor 19 (n=2)
92Gustatory and mechanosensory
Large/small accessory cells03/8
Fishtrap bristles (two rows)Eighteen to 23 sensillaOne eachMechanosensoryOne eachOne eachOne each0
Accessory cells0One each
  • Data in columns 2-4 are from Nayak and Singh (1985), except * (this paper).