Tegeocranus 



35 



4. T. latus (C.L.Koch) 1835 Cephcus I., C.L.Koch, C. M. A., f'asc. 3 1. 11 (pro- 

 bably) | 1884 Tegeocranus I, Michael, Brit. Orib.. v. 1 p. 310, 340 t. 19 f. 1—9 j 1885 

 Carabodcs l, Canestrini, Prosp. Acarof., r. 1 p. 42 | ? 1886 Tegeocranus cepheiformis, 

 Berlcsc, A. 51. S., t'asc. 33 t. 7. 



Im. Dark, dull brown. Rough; Shape broad, rounded; Cephth. pyramidal; 

 Lara, large, clearly reticulated blades on edge with sinuated upper 

 edge without points, and separated anteriorly by a space. Trlam. a short 

 bar. Psstg. org. medium length, clavate, slightly recurved. Iutlam. hair 

 rod-like. Abd. broad, rounded, truncated anteriorly, clearly divided from 

 Cephth. Dors, of Abd. with central part arched, covered with short irre- 

 gular rough corrugations; periphery (except ant. margin) has 2 borders, which 

 unite anteriorly; inner one broad, granular, sloping; outer with rough edge 

 and transverse striatums ; ant. corners rough, projecting. No hairs on Dors, 

 of Abd., a few very fine hairs on post, margin. — Lv. Brownish -white, 

 semi-opaque, granular, oval. Intlam. hair strongly serrated, slightly curved 

 spines of clear chitin ; 4 pairs of similar spines on dors, surface and 6 pairs 

 on post, margin of Abd. — Nph. Color and texture as in Lv., but rather 

 darker and rougher; form elliptical, getting broader with each ecdysis. Dors, 

 of Abd. nearly flat, cast skins carried, larval in centre, nymphal forming con- 

 centric borders. Round margin of each nymphal skin are about 20 large, 

 flat, chitinous, brown, trifid or quadrifid projections. The central lobe of 

 each projection bears a long, doubly curved, strongly serrated spine of clear 

 chitin. — Im. L. ca. 900 |u. 



On dead wood. Algeria, England, France, Germany, Sweden. 



5. T. leporosus (Haller) 1884 Eremaeus I., Haller in: Arch. Naturg., v. 501 



p. 225. 



Im. Covered with irregularly scattered raised dots ; Lam. very com- 

 plicated forming 2 curves joined at their points, both concave in- 

 wards, the hinder shell-like, much wider but not longer than the anterior. 

 Trlam. a line. C. lam. large. Rost. hairs and Lam. hair setiform, equal- 

 sized; Psstg. org. long, setiform, pectinated on the ant. edge, Abd. with a 

 distinct border marked like remainder of dors. 8 longitudinal rows of short 

 setiform hairs on Dors, of Abd. L. 320 |u. 



America. 



6. T. velatus Michael 1880 T. v., Michael in: J. R. micr. Soc, v. 3 p. 189 t. 6 

 f.6— 9 | 1884 T.v., Michael, Brit. Orib.. 0.1 p. 313 t. 31 f.9— 15 | 1895 Tectocepheus 

 v., Berlese, A. M. S., fasc. 77 nr. 2. 



Im. Dull brown, not dark; roughened by irregular raised dots which 

 are on an outer easily detached skin which rubs off in parts leaving smooth 

 chitin below. Cephth. long; Lam. large, detached, nearly horizontal, 

 dotted blades. C. lam. long, nearly reaching tip of Rost. Trlam. a line 

 only but distinct. Psstg. org. long, with slender peduncles and almost dis- 

 coidal head bearing scattered points. No Intlam. hair. Legs not half the 

 length of body, coxae and Femora broad and flat. Dors, of Abd. not much 

 arched: without border; antero-lateral corners flat and very projec- 

 ting, making ant. margin; the widest part of Abd. 6 very short hairs round 

 post, margin. — Nph. Pale grey, slightly granular. Rost. blunt. Cephth. 

 with 4 longitudinal and some transverse ridges. Psstg. org. much like Im., 

 but heads more pyriform. Abd. and Cephth. almost coalesce. There is a 



