Abstract
Abstract. 1. Insect flotsam was obtained from marine pleuston samples from the English Channel (U. K.), off the Oregon coast (U. S. A.), and in the Gulf of California (Mexico).2. Only ten orders of insects were represented, Coleoptera, Diptera and Homoptera being the most abundant.3. Staphylinidae and Chironomidae were the most abundantly represented families taken from the English Channel, comprising 43% and 18% respectively of total insects sampled.4. Aphididae comprised 39% of the Oregon Coast samples.5. Aphididae (42%) and Cicadellidae (17%) accounted for 59% of the insects in the Gulf of California.6. Fish may feed on surface insects at night and this may account for the lower numbers found in early morning samples.
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