. Journal of the Department of Agriculture, Union of South Africa. ases; per cent, in the head and antennae; per cent, inthe legs; and per cent, in the thorsix and abdomen. In Mylabris cichorei Ferrer found per cent. (?); inM. punctUin per cent.; and in M. pustulata per ^olff found .0815 per cent, in Lytta aspera; and Self found cent, in two Chinese species, viz., M. cichorei and M. states (10) that the amount of cantharidin varies from per cent, to per cent., depending on the species of beetle. Mylarris Beetles. 745 I

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. Journal of the Department of Agriculture, Union of South Africa. ases; per cent, in the head and antennae; per cent, inthe legs; and per cent, in the thorsix and abdomen. In Mylabris cichorei Ferrer found per cent. (?); inM. punctUin per cent.; and in M. pustulata per ^olff found .0815 per cent, in Lytta aspera; and Self found cent, in two Chinese species, viz., M. cichorei and M. states (10) that the amount of cantharidin varies from per cent, to per cent., depending on the species of beetle. Mylarris Beetles. 745 Investigations of South ArmcAN Mylabrids. IJiiiing the latter part of 1918 Mr. C. P. Loimsbury, Chief of theUnion Division of Entomology, suggested that as eantharidin hadreached a high price it might be possible to utilize Mylabrids and someet the cost of collecting them whea it becomes necessary to adoptcontrol measures. Accordingly, the question was taken np by thewiiter and some data secured. The problem of collecting will bedisciissed under control Cyaneolyrra subcoriacea.

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