Abstract
Our laboratory employs Pseudolycoriella hygida (Diptera: Sciaridae) as a model. This sciarid was isolated on the Ribeirão Preto campus in 1965 and has been kept in the laboratory ever since. Sciarids live in the soil, where they act as decomposers of partially decomposed plant material. To study Psl. hygida, we have several tools at our disposal, including a high-quality cytogenetic map a…