BLACK GRAIN-STEM SAWFLY. 15 



(15) Panzer, G. W. F. 



1805. fauna insectorum germanicae . . . Niirnberg. Heft 85. 



Tab. XI : Figure of Astatus taMdus, references to previous literature and 

 note, " Habitat in sylvaticis." 



(16) 



1806. kritische revision der insektenfaune deutschlands . . . 



Niirnberg. Bd. 2. 



Page 145 : References to previous literature on Gephus taMdus. 



(17) Jurine, Louis. 



1807. NOUVELLE methode de classer les hymenoptekes et les dipteres. 



Geneva. Tome 1. 

 Page 72: Description of Tracheitis h-aemorroidalis ; short description of 

 Tracheitis tabidus. 



(18) Latreille, P. A. 



1807. GENERA CRUSTACEORUM ET INSECTORUM . . . Paris. Tome 3. 

 Page 236 : Listed as Cephus tabidus. 



(19) Rossi, P. 



1807. fauna etrusca . . . Helrnstadii (Ed. Illiger). Tome 2. 



Page 53 : Brief description of Sirex tabidus with notes, " In Gallia, 

 meridionali ..." " Hab. in floribus rarior." 



(20) Lepeletier de St. Fargeau, Am. 



1823. MONOGRAPHIA TENTHREDINETARUM . . . Paris. 176 p. 



Page 19, no. 54 : Species described as new under name of Cephus 



mandibularis, with note, " In agro Parisiensi." 

 Page 20, no. 55 : Species described as new under name of Cephus 



nigritus, with note, "An mas Cephi mandibularis?" 

 Page 20, no. 57 : Description of Cephus tabidus with references to 



previous literature. 



(21) Audinet-Servill'e, J. G. In: Vieillot, Lepeletier, etc. 



1823. faune francaise . . . Paris. Hymenopteres. 

 Page 96, no. 5 : Cephus mandibularis. 



(22) Curtis, John. 



1830. eritish entomology . . . London, v. 7. 



Plate 301 (accompanying text) : Trachelus tabidus recorded on flowers 

 and grass in fields of Dover and Southgate, England. 



(23) Stephens, J. F. 



1835. illustrations of British entomology . , . Mandibulata. Lon- 

 don, v. 7. 



Page 106, no. 9 : Description of Cephus tabidus ; found in Hertford, 

 Cambridge, Whittlesea Mere, Dover, Southgate, England. 



(24) Hartig, Theodor. 



1837. Die Familien per Blattwespen und Holzwespen . . . Berlin. 

 416 p. 

 Page 363 : Description of Cephus tabidus. 



(25) Blanchard, C. E. 



1S40. HISTOIRE NATURELLE DES INSECTES . . . Paris. Tome 3. 



Page 224, no. 3: Description of Cephus mandibularis; no. 4: Descrip- 

 tion of Cephus tabidus; found near Paris. 



(26) Herrich-Schaffer. G. A. W. 



1840. nomenclator entomologicus. Regensburg. Heft 2. 

 Pages 92-93 : Lists synonymy of Sirex tabidus. 



(27) Lucas, H. 



1849. histoire naturelle des animaux articules. Pars 3. Insectes- 

 . . . Paris. In Exploration Sci. de 1' Algerie . . . 1840, 1841, 1842.. 

 Page 342 : Records Cephus tabidus taken in May in Constantine. 



