In an attempt to better understand the interaction of drop size, distribution, and dosage on the efficiency of the pesticide dose transfer process, a system for generating uniform drops in various distribution patterns was developed. The system comprised a uniform droplet generator, with a variable speed conveyor to transport leaf disks or fruit samples, a photographic and fluorometric analysis unit, and a computer image analysis device for characterizing of spray droplet distributions. In addition, a video technique was utilized to record pest behavioral responses to droplet concentration and distribution parameters. The results of some initial studies are reported and ranges of potential uses described.