80 Hoploderma. Plithiracarus 



Im. Like H. carinatum but a large, hood-like, rounded projection from 

 ant. margin of Abd. overhanging Cephth. L. ca. 550 |u. 



Italy. 



7. H. striculum (C. L. Koch) 1835 Hoplophora stricula, C. L. Koch. C. 31. A., 

 fasi-. 2 t. 10 1855 H. s., Xicolet in: Arch. 3Ius. Paris, r, 1 p. 472 t. 10 f. 5 ! 1888 H. s., 

 31 ic ha el, Brit. Orib. : r,2 p. 563 t. 51 f. 7 || non 1896 H. s., Berlese, A. 31. S., fasc. 78 

 nr. 3. 



Im. Pinkish faun-color, dull, semitransparent, chitin thin, strongly 

 pitted, pits about 100 to mm. Aspis without carina. Psstg. org. 

 long sickle-shaped. Intlam. hair short rod-like. Abd. elliptical, bearing 

 8 longitudinal rows of rod-like, blunt-ended, imbricated hairs. L. ca. 520 |u. 



H. stricula Berlese is similar, but has a Carina on Aspis and hairs on Abd. 

 are not imbricated. - - Berlese (1887, A. 31. S.. fasc. 36 nr. 2) says in error, that 

 H. stricula C. L. Koch is a young form of H. carinata C. L. Koch. 



England. France. Germany. 



8. H. variolosum (Berl.) 1888 Hoplophora variolosa, Berlese in: Bull. Soc. 

 ent. Ital., v. 20 p. 218 t. 13 f. 6. 



Im. Brown, rough; Aspis and Abd. without carina. Psstg. org. 

 short truncated. Abd. coarsely pitted all over, ant. margin not 

 produced forward, 2 longitudinal rows of about 6 long hairs on Dors, of Abd. 

 Ung. mond. L. ca. 900 |u. 



Under bark of trees. Brazil. 



H. crinitum (C. L. Koch) 1841 Hoplophora crinita, (.'. L. Koch. C. 31. A., 

 fasc. 32 t. 8 | 1841 H. ferruginea, C. L. Koch, C. 31. A., fasc. 32 t. 10. 



Possibly the same as H. globulum. but Im. seems rather longer in Abd. and 

 hairs on Dors, of Abd. longer and more flexible. Im. ,,mittelgross". 



Germany. Netherlands 'i 



H. quadriseriatum (Haupt) 1882 Hoplophora quadriseriata, Haupt in: Her. 

 Ges. Bamberg. v. 12 p. 26. 



Probably the same as H. globulosum, but Abd. rough, like shagreen, instead 

 of smooth, and hairs thereon thicker. Irn. ^mittelgross-'- 



In moss. Germany. 



2. Gen. Phthiracarus Perty 



1841 Phthiracarus, Perty. Allg. Xaturg.. v.3 p. 874 ! 1896 P., Oudemans in: 

 Tijdschr. Ent.. v. 39 p. 53 | 1883 Tritia, Berlese, A. M. S., fasc. 6 nr. 1 1885 T., Cane- 

 strini, Prosp. Acarof.. c. 1 p. 9 '. 1892 T., Trouessart in: Rev. Sci. nat. Quest, r 2 p. 48* j 

 1895 T., Banks in: Tr. Amer. ent. Soc.. v. 22 p. 16 ' Hoplophora (part J), Autor. plurim. 



Genital and anal covers anchylosed, or connected together, both long 

 and narrow. Ung. trid. 



7 good and 1 doubtful species. 

 Key to the good species. 



J Abd. bearing conspicuous hairs 2. 

 \ Abd. hairless 5. 



J Abd. rounded posteriorly 3. 

 \ Abd. pointed posteriorly 4. 



