. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. 74 THE AGRICULTURAL NEWS. March 11, INSECT NOTES. The Arrowroot Worm. This insect been known for some time as a of arrowroot, cannas, and tous-les-inois. It in most of the British West India Islands, and in St. A'incent, at , it has been a serious menace to the of the arrowroot crop in certain , and in other places it is one of the worst of the pests attacking the eanna. In 1900, a serious attack of caterpillars on arrowroot in at. Vincent was reported, and Mr. .Ma
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. 74 THE AGRICULTURAL NEWS. March 11, INSECT NOTES. The Arrowroot Worm. This insect been known for some time as a of arrowroot, cannas, and tous-les-inois. It in most of the British West India Islands, and in St. A'incent, at , it has been a serious menace to the of the arrowroot crop in certain , and in other places it is one of the worst of the pests attacking the eanna. In 1900, a serious attack of caterpillars on arrowroot in at. Vincent was reported, and Mr. .Maxwell-Lefroy made investigations and suggested methods to be employed against th? pest. In 1901, there was another severe attack, but since that time no reports have been received by the Imperial Department of Agriculture of .serious outbreaks. In Barbados the canna is infested at all times of the year by the same , and at certain seasons the leaves present a very ragged appearance wherever seen, which is due to the feeding of this caterpillar. The adult of the arrowroot or canna worm {Cnlfodes etidius) is one of the skippers (family Hesperiidae), that group of the Lepidoptera that conies between the butterflies and moths and some of the characteristics of each. It is, however, usually known as a butterfly. Calpodes efhlins is brown in colour, with angular white spots on the upper and under sides of the wings. The antennae are slender, situated wide apart on the head, each has a thick knob near the end, and is tijiped with a very fine jioint which is bent or curved to the .side. The long hairs on the body and near the of the wings are reddish brown. The colour is much lighter below than above. The head is broad ; the body is stout; the eyes are prominent, hemispherical, dark-brown in colour. The skippers take their name from their quick, darting flight, and this insect flies in the .same wa}-, usually keeping near the ground. It feeds on tlie sweets of m
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