466 



BUREAU OF ANIMAL INDUSTRY. 



capitulum; shield extending in young specimens to the middle of the dorsal surface, 

 relatively small in replete specimens; cervical grooves superficial; punctations fine 

 and equal, and uniformly distributed; a few short sparse whitish hairs. Tegument 

 covered with fine short hairs. On dorsal surface two short anterior grooves, slightly 

 divergent; three posterior grooves: One median, straight; two lateral, concave toward 

 median line. Genital pore at height of coxae IV; genital grooves united in front of 

 the vulva, and divergent caudad; two ano-marginal grooves united in an ellipse in 

 front of the anus, divergent caudad. Anus x^rovided with three hairs on each lip. 

 Stigmata whitish in the young, reddish later, stigmal plate finely punctate, stigmal 

 pore small. Capitulum 800 // long (from postero-dorsal margin to tip of the hypo- 

 stome), base elongate reniform, twice as broad as long on its dorsal surface; ventral 



also Neumann, 1899, p. 113, as syn. of Ixodes reduvius. — Dolly, 1894, p. 1000, 

 as syn. of /. pustidarum.'] 

 Oudemans, 1896, pp. 191, 192, 194, gives also the following species as synonyms of 

 Ixodes ricinus: 



1758: Pediculus cervi Linn^us, 1758, p. 611. 

 ? : Acarus cardinalis Pallas. 



1794: Acarus lipsiensis Fabeicius, 1794, p. 427= Ixodes lipsiensis (Fabricius) Fabei- 

 cius, 1805, p. 354.— Koch, 1844, p. 234.— Idem, 1847, p. 23.— Conil, 18.77, 

 p. 27. [Given by Neumann, 1899, p. 156, as syn. of Ixodes reduvius or Ixodes 

 hexagonus.'] [See also Lateeille, 1804, p. 51, as syn. of Ixodes ricinus, and 

 Fabeicius, 1805, p. 354, as syn. of Ixodes lipsiensis.'] 



1794: Acarus sanguisugus of Fabeicius, 1794, p. 426=Ixodes sanguisugus (Linnaeus) 

 Fabeicius, 1805, p. 353. [Acarus sanguisugus Linn^us, 1758, p. 615= 

 Amblyomma sanguisugum (Linnseus) Koch, 1844, p. 230. — Idem, 1847, p. 19; 

 unidentifiable according to Neumann, 1899, p. 283.] [See also Lateeille, 



1804, p. 51, as syn. of Ixodes ricinus.] [See also Joedens, 1801, p. 198.] 

 1794: Acarus pallipes Fabeicius, 1794, p. 426=/xoc^es pallipes (Fabricius) Fabeicius, 



1805, p. 352.— Koch, 1835, Heft 39, No. 10.— Idem, 1844, p. 234.— Idem, 1847, 

 p. 22. — Conil, 1877, p. 27. [See also Ixodes pallipes Lucas — Geevais, 1844, 

 p. 243.] [See also Neumann, 1899, pp. 133, 135, as syn. of I. frontalis.] 



? : Acarus hirudo Fabeicius, given as unidentified by Neumann, 1899, p. 166. 

 [See also Joedens, 1801, p. 195.] 

 L794: Acarus holsatus Fabeicius, 1794, p. 42S=Ixodes holsatus (Fabricius) Fabeicius, 

 1805, p. 355.— Koch, 1844, p. 234.— Idem, 1847, p. 23.— Conil, 1877, p. 27; 

 given as syn. of Ixodes reduvius or Ixodes hexagonus by Neumann, 1899, p. 157. 

 [See also Lateeille, 1804, p. 51, as syn. of Ixodes ricinus and Fabeicius, 1805, 

 p. 355, as syn. of Ixodes holsatus. ] 

 1795: Acarus tristriatus Panzee (1795, fasc. 59, fig. 24:)=Ixodes tristriatus (Panzer) 

 Koch, 1844, p. 234.— Idem, 1847, p. 23; given by Neumann, 1899, p. 157, as 

 syn. of Ixodes reduvius or Ixodes hexagonus. 

 ? : Ixodes variegatus MtiuLEE ? [See also Ixodes variegatus (Fabricius, 179- ?) 



Fabeicius, 1805, p. 353.] 

 ? : Ixodes marginalis Hahn. [See also Ixodes marginalis in Geevais, 1844, p. 242.] 

 1837: Ixodes marginatus Buemeistee, 1837, p. 579. [See also Ixodes marginatus (Fa- 

 bricius, 1794) Fabeicius, 1805, p. 354.] 

 1835: Ixodes sciuri Koch, 1835, Heft 5, No. 11; Heft 37, No. 8.— Idem, 1844, p. 232.— 

 Idem, 1847, p. 21. [See Neumann, 1899, p. 156, as syn. of Ixodes reduvius or 

 J. hexagonus.] 



1844: ''Ixodes marmoratus Geevais," 1844, p. 241=[" Ixodes marmoratus Risso," 1826, 

 pp. 182, 183, given as syn. of Ixodes reduvius by Canesteini & Fanzago, 1877, 

 p. 180.] 



? : Ixodes vicinus Geevais ? — Veeeill, 1870, p. 118. 



? : Ixodes talpx Doles. 

 1877: Ixodes erinaceus Mueeay, 1877 (see below, p. 468, under Ixodes hexagonus). 

 1880: ''Ixodes hovis Riley" of Oudemans, 1880, p. xvii. 



