BIHANG TILL K. SV. VET.-AKAD. IIANDL. BAND 27. AFD. IV. N:0 1. 5 



Fam. Theridiidae. 

 Tlieridium Walck. 1805. 



(Fig. 1 a— c). 



2. T. tepidariorum C. Koch 1841. Var. 



Female. — Cephalotliorax rovmded on the sides, the pars 

 cephalica verv narrow. The coloi^r påle testaceous, with a 

 naiTow black middle-line and a broad black margin. The luiddle- 

 line narrow on the pars thoracica, then broader on pars cepha- 

 lica. — Eyes placed on black spöts, a little prominent and 

 not much differing in size. The anterior central eyes are, 

 however, larger. The two lateral eyes are nearly contiguous, 

 placed upon a low tubercle. Seen from before, the front-row 

 is a little recurved; the hind-row, seen from above, is nearly 

 straight. The fonr central eyes form a trapezinm, a little 

 broader behind than in front. The interval between the 

 ])osterior central eyes and the lateral eyes in the same row 

 not fnlly as great as between the two central posterior eyes. 

 Tlie intervals in the anterior row have the same proportions. 



Sternuni very large, triangulär, broadly truncated in 

 front. The colonr blackish with påle spöts in the middle 

 and near the margin at the coxse. — Lahiunt much broader 

 than long, truncated at the apex. — MaxiUrr longer than 

 labium, oblitjuely truncated on the outer side of the apex. — 

 (Jhtdiceres påle testaceous with a black line on the outer side 

 and a black spöt at the base on the inner side, nearly thrice 

 as long as broad, and not as broad as the femur of the 

 anterior legs. — Legs 1, 4, 2, 3; påle testaceous with black 

 rings and spöts. The rings are more distinct on the posterior 

 ])airs of legs. — Ahdometi about as long as high. clothed with 

 short and soft hairs. The ground-colour is grayish with 

 irregular black and brown spöts. On the upper part in the 

 centre of the abdomen is a larger and behind that a little 

 transversal black spöt bordered with white lines. On the 

 })Osterior part is a narrow white line from the apex to the 

 raamillse. On the lateral parts of the abdomen are two or three 

 indistinct white lines bordered by black spöts. On the ventral 



