CHAMBERLIN: HENICOPIDAE OF AMERICA NORTH or MEXICO. 7 



LAMYCTES FULVICOBNIS Meinert. 

 Naturh. Tidsskr., 1868, 6, p. 266. 



Lithobius gracilis Porath, Ofvers. Kongl. vet. akad. forh., 1869, 

 26, p. 641. 



Lamyctes fulvicornis Stuxberg, Ofvers. Kongl. vet. akad. forh., 

 1871, 28, no. 4, p. 504. 



Lamyctes fulvicornis Meinert, Nat. tidsskr., 1872, 8, p. 343. 



Lamyctes fulvicornis Stuxbefg, Ofvers. Kongl. vet. akad. forh., 

 1875, 32, no. 2, p. 72. 



Lamyctes fulvicornis Stuxberg, Proc. Cal. acad. sci., 1877, 7, p. 138. 



Henicops fulvicornis Latzel, Die myriop. Oest.-Ung. monarchic, 

 1880, pt. 1, p. 133, pi. 4, figs. 31-34. 



Henicops fulvicornis Haase, Schlesiens chilopoden, 1880, 1, p. 42. 



Henicops fulvicornis Bollman, Entom. Americana, 1888, 4, p. 6. 



Henicops fulvicornis Bollman, Bull. 46, U. S. N. M., 1893, p. 184. 



Henicops fulvicornis Chamberlin (in part), Proc. U. S. N. M., 

 1902, 24, p. 797. 



Lamyctes fulvicornis Chamberlin (ad part, max.), Ann. Ent. soc. 

 America, 1909, 2, p. 191. 



Lamyctes fulvicornis Chamberlin, Pomona college journ. ent., 1910, 

 2, p. 368, fig. 132 A. 



Lamyctes fulvicornis Chamberlin, Can. entom., 1911, 43, p. 67, 98. 



DIAGNOSIS. Yellowish brown to chestnut, posterior segments and 

 first one of ten darker; head mostly brownish red, often blackish along 

 the suture; legs dusky yellow, posterior pairs brownish. Body slen- 

 der, nearly eight times longer than width of tenth plate, from which the 

 sides are nearly parallel cephalad. Head subcordate, equal in length 

 and breadth or nearly so. Antennae short, the body being about 3.5 

 times longer; submoniliform ; articles 25 (rarely 24 and 28 or 29). 

 Prosternum cir. 1.75 times wider than long; teeth 3+3, the outer 

 on each side smaller. None of dorsal plates with posterior angles 

 produced. Coxal pores circular; usually 2, 3, 3, 3 or occasionally to 

 2, 4, 4, 4. Anal legs short, the body being cir. 3.5 times longer; 

 tibia between 3 and 3.5 times as long as its thickness dorsoventrally ; 

 first tarsal joint 4 times as long as thick dorsoventrally. Gonopods of 

 female with claw long and acute, curved; basal spines 2+2 or, rarely, 

 2+3, conical, with tips often bent. Length 7-11 mm., but mostly 

 7-9 mm. 



