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INFLUENCE OF AN INSECT GROWTH REGULATOR ON THE LARVAL DEVELOPMENT OF THE MUD CRAB RHITHOPANOPEUS HARRISSII
Citation:
Celestial, D. AND C. McKenney, Jr. INFLUENCE OF AN INSECT GROWTH REGULATOR ON THE LARVAL DEVELOPMENT OF THE MUD CRAB RHITHOPANOPEUS HARRISSII. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-94/443 (NTIS PB95112165), 1994.
Description:
Effects of the juvenile hormone analogue (S)-methoprene on the larval development and survival of the estuarine mud crab hithropanopeus harrisii were examined in the laboratory. rablarvae continuously exposed to 1000 ug (S)-methoprene/liter did not survive beyond zoeal stage I. ith continuous exposure to 100 Ag (S)-methoprene/liter, mortality significantly increased through all larval stages except for zoeal stage II, and developmental duration significantly increased through all zoeal stages and not the premetamorphic megalopa. o supernumerary larval stages occurred with exposure to (S)-methoprene. R. harrisii larvae appear to be more sensitive to the single isomer formulation (S)-methoprene than to the double isomer formulation, (R,S)-methoprene, and these larvae appear to be more sensitive to (S)-methoprene exposure than larvae of the grass shrimp, alaemonetes pugio.
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INFLUENCE OF AN INSECT GROWTH REGULATOR ON THE LARVAL DEVELOPMENT OF THE MUD CRAB RHITHOPANOPEUS HARRISSII