Book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1881. Excerpt: ... DOLICHOPODID AE. Paraclius (?) praedicans Walk. (Dolichopus) J. Pr. Lin. Soc. IV, 115 (Celebes)! One o7," two $; Kandari, Celebes, April 1874 (Beccari). M. Walker's statement: - cinereous, not metallic - is based upon the fact that his type-specimen was dirty. The thorax is metallic-green, with silvery pleurae. In agreement with the opinion of my friend Prof. Mik, whom I consulted on the subject, I place this species in the genus Paraclius Loew, to which it is undoubtedly more related than to any other. Only the last section of the fourth vein is nearly straight, and by no means as much arcuate as in the N. American species of that genus (hitherto the only ones known; comp. Loew, Monogr. N. Am. Dipt. II, p. 97-100, Tab. IIl, f. 7); the angle it forms is much more rounded; the third antennal joint is not rounded at tip (more like 1. c. fig. 8 c). Oiaphorus sp. One specim.; Dorei Hum, N. Guinea (Beccari). All the other Dolichopodidae of the collection belong in the genus Psilopus, of which there are about twenty species. More than eighty species of this genus are described from the Malay Archipelago and Australia. 1 have identified the following two species: Psilopus aeneus (Fab.) Macq. D. E. II, 2, 116, Tab. 19, f. 3 (Java).

This volume deals with 116 families of Diptera (flies and mosquitoes) known or suspected to occur in the islands of Malesia. Diptera constitute one of the larger orders of insects, and are generally considered to be a taxonomically difficult group, even at the family level. They include various economically important groups, some of which acting as vectors of diseases in man and cattle, while others are beneficial in pest control by virtue of their parasitic or predatory habits. The families of Diptera of the Malay Archipelago will be an indispensable tool for all those working in the fields of ecology, systematic biology, and conservation, as well as applied biology.