CHALCIS-FLIES REARED FROM GALLS FROM ZUMBO, 

 EAST AFRICA 



By C. R. Crosby, Ithaca, \. Y. (i) 



i. Eurytoma tenebrica new species, Crosby. 



Female. — Lcngth, 2.3 to 2.8 mm.; abdómen, I to 1.3 mm. 

 Black; antennae, sheaths of ovipositor and legs, except coxae and 

 posterior femora, yellowish. I íead and notum densely umbilicate- 

 punctate. Head seen from above transverse, concave behind, straight 

 in front ; seen from in front a little higher than the distance be- 

 tween the eyes ; from base of antennse to clypeus there is a low 

 smooth elevation. Clypeus with two rounded teeth. On the sides of 

 face some of the punctures are confluent. Antennal furrows with 

 the sides regularly curved, convergent above. 



Anterior constricted part of prothorax and a small area above 

 front coxae íinely shingled. On the anterior face on each side there 

 is a distinct yellowish spot covered by the head in repose. Whole 

 notum umbilicate-punctate except sides of axillaí which are rugu- 

 lose. Propodeum with the sides umbilicate-punctate changing to 

 rugose, the dorsal face tiearly flat, the longitudinal furrow broad 

 and shallow, coarsely and irregularly rugose, the margins bounded 



(1) Professor J. S. Tavares published in the Br o ter ia (Zoológica/ Se- 

 ries, Vol. vii, 1908) a work on the Galls of the Zambesi, East Africa, the 

 title oí which is: Contribulio prima ad cognitionem Cecidologiae Regionis 

 Z 'a mb eziae, cum clecem tabulis et septem figuris (p. 1 33-171). 



Therein the Author treats only of gall inscets. He communicated the 

 parasites obtained from these galls to Mr. J. Chester Bradley (Ithaca), vvho 

 in his turn handecl to Mr. C. R. Crosby the chalcis-flies in which he is a 

 specialist. Mr. Crosby is publishing in the present number of the Brote- 

 ria the result of this study. 



ín the matter of this study he. has been able to make out 8 species 

 which he describes as new, one of them belongs to a ne\v genus. 



We are very much obliged to Mr. C. R. Crosby for his work as uell as 

 to Mr. J. Chester Bradley, for the troublc he has taken : his work helping 

 to attain the result that has been obtained. 



The Editors Note. 



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