Pelops, Oribata 9 



Im. Reddish - brown, smooth, very finely punctured. Resembles 

 P. fuligineus, but no hairs on Dors, of Abd. 8 or 10 round hind margin; 

 a small elliptical space of thin, light-colored polished chitin in median line 

 not far from ant. margin of Abd. No square chitinous projection from 

 ant. margin of Abd. Psstg. org. moderately clavate. L. 700 850 ju. 



Italy. 



10. P. phaeonotus C.L.Koch 1844 P.p., C.L.Koch, C. M. A., fasc. 39 t. 23 

 j 1877 P.p., Canestrini & Fanzago in: Atti 1st. Veneto, ser. 5 0.4 p. 80 | 1884 P.p., 

 Michael, Brit, Orib., v.l p. 216 t.2 f.8 12 ; 1887 P.p., Berlese, A. M.S., fasc. 35 nr.3. 



Im. Red-brown or black. No secreted matter. Shape pyriform, very 

 narrow anteriorly. Lam. large ; C. lam. nearly reaching tip of Rost. Psstg. 

 org. clavate, rather long; Psstg. sunk in deep depressions. Intlam. hair 

 small and fine. Abd. bordered by thin edge but without square pro- 

 jection from ant. margin of Abd. Ptm. attached by anterior part of 

 their edges only. Dors, of Abd. with depressed, oval, smooth, light space 

 as in P. acromius ; rest of Dors, of Abd. with depressed areolations, no hairs 

 on it, 2 pairs of spatulate hairs on post, margin. L. ca. 450 |u. 



In moss. England, Germany, Italy. 



2. Gen. Oribata Latr. 



1802 Oribata, Latreille in: Buffon, Hist, nat., ed. Sonnini, Ins. .3 p. 65 1803 

 O., Latreille in: Nouv. Diet, r. 16 p. 349 : 1811 0., Olivier in: Enc. meth., Art. Oribate 

 | 1855 0., Nicolet in : Arch. Mus. Paris, v. 7 p. 427 j 1859 0., Grube in : Arch. Dorpat. 

 Ges., ser. 2 v.l p. 417 1884 O., Michael. Brit. Orib., B.I p.218 [ 1891 0., Canestrini in: 

 Atti 1st. Veneto, ser. 7 v.2 p. 579 ' 1892 0., Trouessart in: Rev. Sci. nat. Quest, v.2 p. 48 

 | 1826 Oribata -4- Galumna, Heyden in: Isis. p. 612 ' 1834 Oribates, Duges in: Ann. 

 Sci. nat., ser. 2 v.l p. 21 ' 1877 0., Canestrini & Fanzago in: Atti 1st, Veneto, ser. 5 p. 4 

 p. 81 | 1885 0., Canestrini, Prosp. Acarof., v.l p. 6 ] 1885 0. (0. -+- Achipteria -J- Sphae- 

 rozetes), Berlese in : Bull. Soc. ent. Ital, v. 17 p. 127, 128 | 1896 0., Berlese, A. M. S., 

 fasc. 74 nr. 7 j 1835 Oribates -f Zetes (part.) -f Murcia (Nph.) (part.), C. L. Koch, C. M. A., 

 fasc. 2 etc. ; 1895 Oribata-}- Oribatella -\- Oribatodes, Banks in: Tr. Amer. ent. Soc., v. 22 

 p. 5. 8, 10. 



Mdb. of the form usual in the family (Fig. 3). Intlam. hair never 

 spatulate. 



45 good and 19 doubtful species. 



Key to the good species. 



Ung. trid. (Div. I. p. 12) 2. 



Ung. mond. (Div. IL, Gen. Oribatodes Banks, p. 23) 40. 

 / Having a Trlam. (Subdiv. la. p. 12) 3. 

 \ Without any Trlam. (Subdiv. Ib. p. 18) 21. 



Trlam. a blade on edge 4. 



Trlam. a mere line 10. 



Lam. hair, Intlam. hair and Rost. hairs setiform or absent 5. 



Lam. hair. Intlam. hair and Rost. hairs pectinated 8. 

 / Ptm. normal, truncated anteriorly, running posteriorly to about middle of Dors. 



of Abd. 6. 



' Ptm. projecting forward forming a point 

 of moderate length, but only running a 

 short distance posteriorly. L. 800 ju 6. O. gilvipes p. 13 



{Psstg. org. fusiform, horizontal, directed 

 forward. L. 400 |u 16. O. punctum p. 16 

 Psstg. org. clavate 7. 



! 



