LABIDU.RA. 21 



scutellum and pygidium hidden; no lateral scent- 

 folds to abdomen. Callipers of male long, somewhat 

 slender, remote at base; of female, straight and 

 nearly in contact. There are two European species, 

 of which one, L. riparia, the type of the genus, is 

 British. 



1. Labidura riparia Pallas. 

 (Plate II, fig. 2, and Pis. IV and V.) 



riparia PALLAS Reise clurch verschiedene Pro- 

 vhrzen des Rnssisclien Reiches in den 

 Jahren 1768-74 (St. Petersburg), II 



Anhang, p. 727 . . . . lT73ForJicula. 



FISCHER de W. Orth. Ross. p. 46 . . 1848Forfice8ila. 

 DOHRN Stettin entom. Zeit. xxiv, pp. 



313-316 . ... . 1863 Labidura. 



BRUNNER von W. Prod, der Ear. Orth. 



p. 5, f. 1 ... . . 1882Forficula. 



SHAW Eiit. Mo. Mag. p. 356 . . 1889 Labidura. 



FINOT Faime de la France, Orth. p. 62, 



ff. 28 & 29 . . ... 1889 Labidura. 



BURR Brit. Orth. p. 12. pi. I, f. 1 . 1897 Labidura. 



Riparia KIRBY Syn. Cat. Orth. i. p. 10 . . 1904 Labidura. 



riparia LUCAS Entoni. xxxviii, p. 267 . . . 1905 Labidura. 



BURR Syn. Orth. W. Eur. p. 3 . 1910 Labidura. 



BURR Fauna Brit. India. Derm. p. 99 . 1910 Labidura. 



BURR Gen. Ins., Fasc. 122, p. 36 . 1911 Labidura. 



LUCAS Proc. S. Lond. Ent. Soc. p. 21, 



pi. iv, f, 2 . . . . . 1912 Labidura. 



pallqx* FABR. Syst. ent. p. 270 ; Ent. syst. II. p. 5 1775Forficuhi. 



gigantea FABR. Maiit. ins. i. p. 224 . . 1787Forficiilu. 



LEACH Edinb. Encycl. ix, p. 118 . 1815 Labidura. 



STEPH. Brit. Entoni. Mandibul. vi, p. 8 1835-7 Labidura. 



(Burr (Genera Insectormn) gives also the following- synonyms :- 

 bilineutu Herbst : maxima Villers ; morbida Serville; distincta 

 Rodziaiiko; dubronii Borg : Mrschi Borg; mongolica Rehn ; 

 longipe tmis Borelli ; herculeana Fabr. ; bivittata King; terminal/* 

 Serville; bicolor and facheri Motschnlsky ; sinensis Burr; ajiiiiis 

 Guerin and Meneville'; amurensis Mots. ; auditor Scudder; clarki 

 Kirby; granulosa Kirby ; marginella Costa; saturaHs Burm. ; 

 huseinx Rehn; var. inerniis B runner; var. mixta. Bolivar; var. 

 herculeana Semenoif; var. dumonti Azani. ; but these do not 

 exhaust the list.) 



ORIGINAL DESCRIPTION. 

 75. Forficula riparin. 



F. auricularia duplo major, pallide grysea, inolliuscula. Thorax 

 marginatus, fasciis duabus longitudinalibus fuscis, per elytra et alulas 

 (elytris paulo longiores) continuatis. Capnt vertice testaceum, ocnlis 



