Life history of Coelomomyces psorophorae.
Author(s) -
Howard C. Whisler,
Stephan L. Zebold,
J. A. Shemanchuk
Publication year - 1975
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.72.2.693
Subject(s) - biology , sporangium , zoospore , copepod , heterothallic , zygote , zoology , spore , botany , crustacean , genetics , embryo , mating type , gene , embryogenesis
The mosquito parasite, Coelomomyces psorophorae (Blastocladiales, Chytridiomycetes) alternates obligately between the larvae of Culiseta inornata and the copepod Cyclops vernalis. Isogametes, derived from heterothallic, wall-less gametangia which develop in the copepod, fuse to produce a diploid zygote that subsequently infects the mosquito host. Zoospores from the resistant sporangia which are produced in the haemocoel of the mosquito infect the copepod. A tentative life-history is proposed and implications of these discoveries for the biology, taxonomy, and possible role of Coelomomyces in biological control are discussed.
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