PROCEEDINGS OF THE ENTOMOLOGICAL SOCIETY OF PHILADELPHIA. ON THE HYMENOPTERA OF CUBA. BY E. T. CRESSON. ( Communicated November 14, 1S64.) The materials used in the preparation of this paper are derived prin-cipally from the fine original collection of Prof. Felipe Poeyof Havana, Cuba, procured and most generously presented by Dr. Thos. B. Wilson to the Entomological Society of Philadelphia; also from the uniques in the collection of Dr. John Grundlach of Cuba, who has kindly loaned them to me. and who possesses, probably, the most complete collections extant of all orders of Cuban Insects. To Prof. Poey and Dr. Guudlach, I am greatly indebted for valua-ble notes upon the habits, &c, of many species. Most of the Chalcididse, the Proctotrupidse and the FormicidaJ. have been reserved for future papers, as the minute size of many of them require careful study, and specimens in good condition, before reliable descriptions can be made. The collection before me contains, of Chal-cididse and Proctotrupidai about 80 species, and of Forinicidae about 00 species; of the latter many have been described by Roger and Mayr. Of the other families, including the larger Chalcididse, over 300 species are enumerated below, of which number about 250 seem to be new. Fam. TENTHREDINID.E. Genus LOPHYRUS, Latr. Lophyrus insularis. n. sp. % . black, wings hyaline, legs whitish: £> , head, thorax and tip of abdomen ferruginous, dorsal segments of abdomen black, their sides and ventral segments whitish, wings subhyaline. Male. — Shining black; the clypeus, mandibles and palpi, pale testa-ceous; antennae black, shorter than the thorax, lanceolate, with 17 rays
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