Pelopsj Oribata 



9 



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

 P. fuliginous, but no hairs ou 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 chitiuous projection from 

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



10. P. phaeonotus C.L.Koch 1841 P.p., C.L.Koch, CM. A., fasc. 39 t. 23 

 | 1877 P.p., Canestrini & Fanzago in: Atti 1st. Yeneto. ser. 5 17.4 ]). 80 | 1884 P.})., 

 Michael. Brit. Orib., 0.1 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; Clam, 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. 



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

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

 | 185.-) 0., Nicolet in: Arch. Mus. Paris. ».7 p. 427 | 1859 0.. Grube in: Arch. Dorpat. 

 ties., ser. 2 v. 1 p. 417 | 1884 0., Michael. Brit. Orib.. ill p. 218 j 1891 0., Canestrini in: 

 Atti 1st. Veneto. ser. 7 c.2 p. 579 1892 0., Trouessart in: Rev. Sci. nat. Ouest, a 2 p. 48 

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

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

 p. 81 | 1885 0., Canestrini. Prosp. Acarof., v. 1 p. 6 1885 0. (0. + Achipteria -f- Sphae- 

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

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

 fasc. 2 etc. 1895 Oribata -j- Oribatella + Oribatodcs, Banks in: Tr. Amer. ent. Soc, r. 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. 

 l j Ung. trid. (Div. I. p. 12) - 2. 



| Ung. mond. (Div. II., Gen. Oribatodes Banks, p. 23) — 40. 

 f Having a Trlam. (Subdiv. Ia, p. 12) — 3. 

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

 I 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. 



Italy. 



2. Gen. Oribata Latr. 



Ptm. projecting forward forming a point 

 of moderate length, but only running a 



of Abd. — 6. 



short distance posteriorly. — L 800 n 6. O. gilvipes 



Psstg. org. fusiform, horizontal, directed 



forward. — L. 400 p. 16. O. punctum 



p. 16 



Psstg. org. clavate — 7. 



