Proceedings of the United States National Museum . Belgique, vol. 19, pp. 1-32, 3 pis. 1912. Beitrag zur Kenntnis der ^p?on-Fauna Central- und Sud-Amerikas. Beschreibungen neuen Arten. II. Arch. Naturg., vol. 78, , Heft 2, pp. , E. 1951. Cecidiologiska antekningar VI. Ent. Tidskr., vol. 72, pp. , Benjamin Dann 1867. On the insects inhabiting galls of willow. Proc. Ent. Soc. Phila-delphia, vol. 6, 1866, p. , Joseph Antoine 1863. Description de plusieurs espfeces nouvelles exotiques de genre Apion Herbst. Ann. Soc. Ent. France, ser. 4, vol. 3, pp. 177-1
Proceedings of the United States National Museum . Belgique, vol. 19, pp. 1-32, 3 pis. 1912. Beitrag zur Kenntnis der ^p?on-Fauna Central- und Sud-Amerikas. Beschreibungen neuen Arten. II. Arch. Naturg., vol. 78, , Heft 2, pp. , E. 1951. Cecidiologiska antekningar VI. Ent. Tidskr., vol. 72, pp. , Benjamin Dann 1867. On the insects inhabiting galls of willow. Proc. Ent. Soc. Phila-delphia, vol. 6, 1866, p. , Joseph Antoine 1863. Description de plusieurs espfeces nouvelles exotiques de genre Apion Herbst. Ann. Soc. Ent. France, ser. 4, vol. 3, pp. 177-182. 1864. Apionides, tribu des Curculionides. LAbeille. vol. 1, pp. , Henry Frederich 1922. Weevils of the genus Apion injurious to beans in Mexico. Proc. Ent. Soc. Washington, vol. 24, pp. , a. B., AND Montgomery, B. E. 1933. Ecological study of the coleopterous fauna of a tamarack swamp. Amer. Midi. Nat., vol. 4, pp. 113-169. !I S. GOVERNMENT PrSINTING OFFICE: 1959 PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM. SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM Vol. 110 Washington : 1959 No. 3419 A DESCRIPTION AND CLASSIFICATION OF THE FINALINSTAR LARVAE OF THE ICHNEUMONIDAE (INSECTA, HYMENOPTERA) By J. R. T. Short Introduction In this paper are given a description and classification of the finalinstar larvae of the Ichneumonidae based on a study of species repre-senting 151 genera. Keys are given to the subfamilies, tribes, andgenera. Characters of the subfamilies and tribes are described verbally,but the description of each genus usually takes the form of a special features are noted in the text, and when a species differsfrom that figured for a genus the difference is noted. Diagrams wereselected as the most concise and accurate method for recordinglarval characters. Material and Acknowledgments In work of this nature great care must be taken to insure that onlyreliably identified material is used. Most of the material on whichthis s
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