. Bulletin of the Natural History Museum Geology. . antennal bases dorsally from inside. Pronotal collar short, consider- ably lower than dorsal level of distinctly convex anteriorly scutum. Scutellum considerably roundly convex. Postscutellum short, strongly prominent medially. Mesopleuron convex, weakly sculptured, shiny. Dorsal part of metapleuron higher than 1/3 of its total height. Tarsomeres thin, cylindrical, without plantulae. Apical tarsomeres with small rounded arolium. Propodeal dorsal enclosure flat-con- cave, enclosed laterally with smooth furrows; propodeal hind side with deep me
. Bulletin of the Natural History Museum Geology. . antennal bases dorsally from inside. Pronotal collar short, consider- ably lower than dorsal level of distinctly convex anteriorly scutum. Scutellum considerably roundly convex. Postscutellum short, strongly prominent medially. Mesopleuron convex, weakly sculptured, shiny. Dorsal part of metapleuron higher than 1/3 of its total height. Tarsomeres thin, cylindrical, without plantulae. Apical tarsomeres with small rounded arolium. Propodeal dorsal enclosure flat-con- cave, enclosed laterally with smooth furrows; propodeal hind side with deep medial furrow; propodeal spiracles oval, open. Abdomen somewhat elongate; tergite I from the base with lateral carinae, prolongly carinate; sternite I with medial ridge; tergite VII without pygidial plate, tapered apically; sternite VII strongly tapered, thorn- shaped. Head anteriorly, scutum, scutellum, mesopleura ventrally, postscutellum, tergites V-VI, and sternites II-VI apically with dis- tinct, erect pubescence, equal in length to lateral ocellus diameter or some longer at abdominal apex. Metapleuron, propodeum, and first abdominal segment bare. Foretibia and basitarsus with long, erect, and somewhat curved hairs. Body length mm. The female is unknown. II. New tribes of the subfamily Ampulicinae The only fossil ampulucine known so far, Protodolichurus sucinus Nemkov, 1988, was described from the Middle Eocene Baltic amber and was a representative of the tribe Dolichurini. Due to the character- istic features of short pronotum and unmodified abdominal sclerites, it was placed by Nemkov near the hypothetical ancestor of Dolichurini. A second species, Trigonalyspervetus Cockerell, 1917, from the Upper Cretaceous Burmese amber, was erroneously placed in the family Trigonalyidae. The Burmese amber collection at The Natural History Museum also contains four new species belonging to three new genera of Ampulicinae. Subfamily AMPULICINAE 1. Tribe APODOLICHURINI nov Type genus.
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