Manuel on Food of the Philippine Weaverbird Observations on the Philippine Weaver, Munia Jagori Martens, II: Foods and Feeding Habits Canuto G. Manuel
1935; Oxford University Press; Volume: 52; Issue: 1 Linguagem: Inglês
10.2307/4077186
ISSN1938-4254
Autores Tópico(s)Coleoptera: Cerambycidae studies
Resumothe dry summers of 1930 and 1931.W.B. Noble reports• upon them and says something of interest about birds."Natural enemies," he states, "play a rather important part in the control of webworms.Birds were particularly active in this respect during the summer of 1931.Blackbirds, Flickers, Robins, and Starlings were attracted to the infested areas in large numbers and ate many of the larvae" (p.2).In addition to the birds named by Noble, Crows, the Crested Mynah, English Sparrow, and Savannah Sparrow are known, according to Biological Survey records, to feed on the larvae, and the Nighthawk and Roadrunner upon adults of Crambinae.Entomological literature contains a number of references to birds eating moths and larvae of this group, scanning of which adds the following species to those already listed, Bobwhite, Kingbird, Wood Pewee, Red-winged Blackbird, Meadowlark, and Barn Swallow.Abaca slug caterpillar (Thosea sinensis).--Thislarva a serious enemy of coconut and abaca in the Philippines "is a thorned species of poisonous character" of a group supposed by theorists to be avoided by birds.Pedro Sison, however, in a comprehensive report • on the insect says, "The Crows prey upon the larvae by picking them up with their bills and squeezing out the soft content.The thorny skin or
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