Two new species of Sarcophaga (Sarcorohdendorfia) Baranov (Diptera: Sarcophagidae), parasitoids of Littoraria filosa (Sowerby) (Gastropoda: Littorinidae)
2000
Pape, Thomas | McKillup, Stephen C | McKillup, Ruth V
We provide descriptions of two species of sarcophagid flies seen attacking the intertidal snail Littoraria filosa (Sowerby 1832), which occurs on leaves and branches of mangroves in central Queensland, Australia. This is the first description of sarcophagid parasitoids of a marine snail. Sarcophaga megafilosia sp. n. and Sarcophaga meiofilosia sp. n. belong to the subgenus Sarcorohdendorfia Baranov 1938 and both are parasitoids of L. filosa. These two parasitoids cause considerable mortality of L. filosa, which is an annual in large patches of mangroves (where both flies are present), but a perennial in smaller, more isolated patches (where the larger fly is usually absent).
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