Key resources table.

Reagent type (species) or resource	Designation	Source or reference	Identifiers	Additional information
Genetic reagent (D. melanogaster)	SS52244-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_86596
Genetic reagent (D. melanogaster)	SS02255-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_75923
Genetic reagent (D. melanogaster)	SS00078-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_75854
Genetic reagent (D. melanogaster)	SS52577-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_86625
Genetic reagent (D. melanogaster)	SS54295-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_86624
Genetic reagent (D. melanogaster)	SS02239-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_75926
Genetic reagent (D. melanogaster)	SS54549-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_86603
Genetic reagent (D. melanogaster)	SS47432-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_86716
Genetic reagent (D. melanogaster)	R12D09-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_48503
Genetic reagent (D. melanogaster)	R44B10-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_50202
Genetic reagent (D. melanogaster)	(empty)-GAL4	Bloomington Drosophila Stock Center	RRID:BDSC_68384
Genetic reagent (D. melanogaster)	10xUAS-IVS-syn21-GFP-p10 (attP2)	Michael Dickinson	N/A
Genetic reagent (D. melanogaster)	13xUAS-Kir2.1-eGFP/TM3	Michael Reiser	N/A
Genetic reagent (D. melanogaster)	20xUAS-GCaMP6f	Bloomington Drosophila Stock Center	RRID:BDSC_42747
Genetic reagent (D. melanogaster)	UAS-tdTomato	Bloomington Drosophila Stock Center	RRID:BDSC_36328
Antibody	(mouse monoclonal) anti-NC82	Developmental Studies Hybridoma Bank	RRID:AB_2314866	(1:50)
Antibody	(chicken polyclonal) anti-GFP	Thermo Fisher Scientific	PA1-9533	(1:50)
Antibody	streptavidin Alexa Fluor 568	Thermo Fisher Scientific	S-11226	(1:1000)
Antibody	(goat polyclonal) anti-mouse Alexa Fluor 633	Thermo Fisher Scientific	A-21052	(1:250)
Antibody	(goat polyclonal) anti-chicken Alexa Fluor 488	Thermo Fisher Scientific	A-11039	(1:250)