14 PBOOEEDIN'GS OP THE NATIOISTAL, MUSEUM vol.77 



Fla., April 29-May 13 (Hubbard and Schwarz, M. Linell) ; Key- 

 West, Fla., April (Hubbard and Schwarz) ; Meridian, Miss., June 

 11, 1898 (H. Soltau) ; Columbus, Tex., May 30-June 3 (Hubbard 

 and Schwarz). 



This species also is taken on dead twigs and branches (Schwarz, 

 18T8; Ulke, 1902). It occurs from Florida northward to the District 

 of Columbia and westward to Texas. 



The following notes on European species throw light on the habits 

 of the genus. 



Tropideres albirostris Herbst of Europe breeds in dead wood of 

 beech {Fagus sp.), oak {Quercus spp.) and poplar {Populus spp.) 

 (Bedel, 1885). On dead trees of Tilia, Fagus, Alnus, Betula, Quer- 

 cus, Salix, Prunus cerasus, Prunus communis, Rhus, Populus, May 

 to July (Schaufuss, 1914, p. 1027). Breeds in dead twigs of Betula 

 alba Linneaus, Tilia grandi-flora Ehrh., Tilia parvifolia Ehrhart, 

 Fagus silvatica Linneaus and Alnus glutinosa Gaertner (Kleine, 

 1910, 46). 



Tropideres dorsalis Thunberg of Europe is found on dry branches 

 of Quercus and Betula in May (Schaufuss 1914, p. 1027). 



Tropideres marchicus Herbst of Europe breeds in dead wood of 

 fruit trees, especially peach {Amygdalis persica), also on young 

 elm {Ulmus sp.) (Bedel 1885). Breeds under the bark of dead twigs 

 of Prunus domestica, Quercus, Salix, and Populus (Kleine 1910). 

 On dry twigs of Salix, Populus, Quercus, Prunus, and Amygdalis 

 (peach), the larvae being found under the bark (Schaufuss, 1914, 

 p. 1027). 



Tropideres niveirostris Fabricius of Europe breeds in dead 

 branches, fagots, and hedges of oak {Quercus spp.), hazelnut 

 {Gorylus spp.), beech {Fagus sp.) and linden {Tilia sp.) (Bedel 

 1885). On dead trees and dry branches of Salix, Quercus, Tilia and 

 Gorylus (Schaufuss, 1914, 1027). Breeds in dead branches of Fagus 

 silvatica and Salix capraea (Kleine, 1910). 



Tropideres pudens Gyllenhal of Europe breeds in dead branches of 

 oak {Quercus sp.) (Bedel, 1885). 



Tropideres sepicola Fabricius of Europe breeds in dead branches 

 of oak {Quercus sp.) and Garpinus sp. (Bedel, 1885). 



Tropideres undulatus Panzer of Europe breeds in dead branches 

 of fruit trees (Bedel, 1885). In dead branches of Quercus {Schau- 

 fuss, 1914, p. 1027). 



Tropideres hilaris Fahraeus of Europe breeds in the base of 

 Scotch broom {Gytisus scoparius Link). The female oviposits in 

 the root crown (Bedel, 1885). 



Tropideres oxyacanthae Ch. Brisout of Europe breeds in the 

 trunks of small dead beech {Fagus sp.), sometimes in numbers; in 



