Third instar larvae expressing Nab2EY08422 under the control of Scer\GAL4Pxn.PS have a decreased number of sessile hemocytes. The number of hemocytes in circulation is also decreased. The dorsal sessile hemocyte department is not disrupted. Sessile hemocytes do not accumulate along the dorsal vessel or spread through the cuticle. The lymph gland is not enlarged. Hemocyte shape is normal.