OF WASHINGTON. 5 



by Dr. Arnold Forster, in his Hymenopterologische Studien, in 

 18^6, page 18, the type of the family being the genus Eupd- 

 mns Dalnian, erected in 1820. 



In this work Forster gives a table of the genera known to him, 

 and tabulates seven genera viz., Halidea, Polymoria, Ratze- 

 burgia, Calosoter, Eupelmus, and Charitopus, of which 

 five w r ere- new, the genus Ratzeburgia being a new name 

 for Eusandalum Ratzeburg, preoccupied. Halidea is identical 

 with Metapelma Westwood, which was unknown to Forster, 

 although characterized as early as 1835. 



Forster also overlooked the genera llrocryptus Westwood, 

 founded in 1840, Phlebopenes Perty, 1834, and Prionopelma 

 Westwood, 1835. The latter I consider identical with Phlebo 

 penes. 



A new genus, Charilophus^ was erected by Haliday in 1862, 

 from Algiers, while the following year Motschulsky founded his 

 genera Anastatus and Cacotropia from Ceylon. Walsh's genus 

 Antigaster was erected in 1869. ^ was suppressed by Howard 

 in 1869, who considered it synonym'ous with Eupelmus. It is, 

 however, a valid genus, but must give w r ay to Anastatus Mot 

 schulsky, the older name. 



Balcha was described by Walker in 1864, Myrmecopsis 

 Walker, from Australia, in 1866, while in 1874 Forster de 

 scribed Charitolophtis, a genus with branched antennas, from 

 Europe, and Westwood Oodera from the Malay Archipelago. 



In 1883, Peter Cameron erected the genus Solindenia, from 

 the Sandwich Islands, and in 1884, in Biologia Centrali-Amer- 

 icana, he describes three new genera Brasema, Lutnes, and 

 Aseirba. The last, however, has been shown recently by Dr. 

 Howard to be identical with the genus Cerchysius Westwood, 

 in the Encyrtinas. 



Finally, a remarkable genus, with branched antennae in the 

 males, was founded by Howard in 1890, under the name of 

 Tanaostigma, who placed it with the Encyrtincz, but which 

 evidently belongs to this group on account of the distinct me- 

 sonotal furrow r s. It is one of the links that bind these two sub 

 families together, and, as has already been suggested by Dr. 

 Howard, will form a distinct tribe, with my Tanaostigmodes, a 

 closely allied genus described below. 



The above-mentioned genera are, so far as I know, all the de 

 scribed genera known up to the present time. 



In studying recently some South American, West Indian, and 

 Tropical Eupelmince it became necessary for me to go over the 

 literature on the subject very carefully, and the result is the dis 

 covery of several new genera, and as no complete table of the 

 genera of this group has ever been published (the table in Mr. 



