The following information accompanied stocks donated to the Bloomington Drosophila Stock Center by Deborah Hursh, United States Food and Drug Administration. dpps-hc2 is a CRISPR-generated deletion that removes a region from approximately 2R:2427450 to 2R:2439432-2441868 (rel6.5). It is a strong, but viable, "headcase" allele of dpp.