ma 9 * 



BUTANIO 



SOME NEW FOSSIL PARASITIC HYMENOPTERA FROM 



BALTIC AMBER. 1 



By Charles T. Brues. 



Received January 17, 1923. Presented January 16, 1923. 



The abundant occurrence of fossil Parasitic Hymenoptera in Baltic 

 amber has long been known, but in spite of the great activity of 

 entomologists during recent years in dealing with this interesting 

 fauna scarcely any amber species of this group of insects have so far 

 been described. Brischke 2 published a brief list of the genera which 

 he had observed in amber in 1886, but described no species. Some 

 years ago 3 the present writer listed the amber species as an appendix 

 to an account of the Parasitic Hymenoptera of the miocene shales of 

 Florissant, Colorado, and he later extended this list 4 and drew a 

 comparison between the Florissant and Baltic amber faunae. 



The present paper deals with a small, but very interesting series 

 belonging to the Zoological Museum of the LTniversity of Konigsberg. 

 They form a part of the extensive amber collections formerly belonging 

 to the Physikalisch-okonomische Gesellschaft, now in the custody of 

 the University Museum. The great diversity of the amber fauna is 

 very evident from the fact that among 14 species here described, seven 

 families and 11 genera are represented, two of the genera being new. 

 They are distributed as follows : 



EvaniiDtE 1 genus 1 species 



BraconidvE 3 genera 3 species 



Ichneumonhme 1 genus 1 species 



BethylidtE 5 genera (2 new) 7 species 



Dryinid.e 1 genus 1 species 



Serphid^e 1 genus 1 species 



Callimomid.e 1 genus 1 species 



_ 1 Contribution from the Entomological Laboratory of the Bussey Institu- 

 tion, Harvard University, No. 217. 



2 Die Hymenopteren des Bernsteins. Schrift. naturf. Gesellsch. Danzig, n. 

 F. vol. 7, No. 6, pp. 278-279 (1886). 



3 Bull. Mus. Comp. Zool. Harvard, vol. 54, No. 1, pp. 108-122 (1910). 



4 Some Notes on the Geological History of the Parasitic Hymenoptera, Journ. 

 New York Entom. Soc, vol. 18, No. 1, pp. 1-22 (1910). 



