358 



A carology 



Anoetidae Oudemans, 1904 



Figures 288, 289 



Diagnosis: The shape of the body is often distorted by large protu- 

 berances. A suture may or may not be found between the propo- 

 dosoma and the hysterosoma. Also a propodosomal shield may or may 



Figure 288 Histiostoma hiimidiatus 

 (Vitzthum). Dorsum of female. 

 (After Vitzthum 1927) 



Figure 289 Histiostoma liumidiatiis 

 (Vitzthum). Venter of female. (After 

 Vitzthum 1927) 



not be present. Both vertical and cervical setae are found. The skin 

 is usually smooth, but occasionally it may be strewn with tiny points. 

 The chelicerae have only one sawlike chela (an exception is Ceder- 

 hjelmia which has the two sawlike chelae), and the palpal tarsus has 

 two conspicuous, laterally projecting structures. All tarsi have slightly 

 curved, unstalked claws but lack caruncles. Adults usually have four 

 large organs in the shape of a ring or shoe located in the region of the 

 coxae. Only the deutonymph possesses two pairs of genital suckers. 



Genera: 



1. Atwetiis Dujardin, 1842 (= Nodipalpiis Karpelles, 1893) 



Type. Hypopiis alicola Dujardin, 1849 (= Anoetus discrepans Oude- 

 mans, 1903) 



2. Anoetoglyphus WXzihum, 1927 



Type. Anoetoglyphus ateiichi Vitzthum, 1927 



