The following information accompanied stocks donated to the Bloomington Stock Center by Michael Nitabach and Vincent Pieribone, Yale University School of Medicine.
P{UAS-ASAP1} expresses the ASAP1 voltage indicator protein under UAS control. ASAP1 was described in St-Pierre et al. (2014) "High-fidelity optical reporting of neuronal electrical activity with an ultrafast fluorescent voltage sensor", Nat Neurosci.  17:884-9 .
P{UAS-FlicR1} expresses the FlicR1 voltage indicator protein under UAS control. FlicR1 was described in Abdelfattah et al. (2016) "A Bright and Fast Red Fluorescent Protein Voltage Indicator That Reports Neuronal Activity in Organotypic Brain Slices", J. Neurosci. 36: 2458-72.
P{UAS-MacQ-mCitrine} expresses the MacQ-mCitrine voltage indicator protein under UAS control. MacQ-mCitrine was described in Gong et al. (2014) "Imaging neural spiking in brain tissue using FRET-opsin protein voltage sensors", Nat. Commun.5: 3674.
P{UAS-QuasAr1-mOrange2} and P{UAS-QuasAr2-mOrange2} express the QuasAr1-mOrange2 and P{UAS-QuasAr2-mOrange2 voltage indicator proteins under UAS control. These indicators were described in Hochbaum et al. (2014) "All-optical electrophysiology in mammalian neurons using engineered microbial rhodopsins", Nat. Methods.11: 825-33.
P{UAS-eFRET-mOrange2} expresses the eFRET-mOrange voltage indicator protein under UAS control. eFRET-mOrange was described in Zou et al. (2014) "Bright and fast multicoloured voltage reporters via electrochromic FRET", Nat. Commun. 5: 4625.
P{UAS-Bongwoori} expresses the Bongwoori voltage indicator protein under UAS control. Bongwoori was described in Piao et al. (2015) "Combinatorial mutagenesis of the voltage-sensing domain enables the optical resolution of action potentials firing at 60 Hz by a genetically encoded fluorescent sensor of membrane potential", J. Neurosci. 35: 372-85.
P{UAS-Butterfly} expresses the Butterfly voltage indicator protein under UAS control. Butterfly was described in Akemann et al. (2012) "Imaging neural circuit dynamics with a voltage-sensitive fluorescent protein", J. Neurophysiol. 108: 2323-37. 
P{UAS-ElectricPk} expresses the ElectricPk voltage indicator protein under UAS control. ElectricPk was described in Barnett et al. (2012) "A fluorescent, genetically-encoded voltage probe capable of resolving action potentials", PLoS One 7: e43454.
P{UAS-ASAP1}attP2, P{UAS-FlicR1}attP2, P{UAS-MacQ-mCitrine}attP2, P{UAS-QuasAr1-mOrange2}attP2, P{UAS-QuasAr2-mOrange2}attP2, P{UAS-eFRET-mOrange2}attP2 and P{UAS-ElectricPk}attP2 are insertions into the P{CaryP}attP2 site at 68A4,  3L:11070538  (R6).
P{UAS-Butterfly}attP40 and P{UAS-Bongwoori}attP40 is an insertion into the P{CaryP}attP40 site at 25C6,  2L:5108448  (R6).