Fig. 1.

Number of sand flies in all colonies at LMVR-NIH, and photomicrographs showing mite eggs and their detrimental interactions with sand fly larvae in rearing pots. a Number of sand flies retained in colonies versus those consumed in research projects from 2009—2022. b, c, d Mite eggs in sand fly larval pot lids (300-μm screen). e Sand fly at fourth-instar larval stage bitten by an adult mite in search of hemolymph. f Necrotic sand fly at fourth-instar larval stage with progressive dark larval cuticle due to mite attack. g Dead sand fly at fourth-instar larval stage. LMVR-NIH, Laboratory of Malaria and Vector Research–National Institutes of Health