322 Acarology 



6. Males with copulatory suckers on tarsi iv and near anal plate 

 (exception: Caloglyphus anomalus Nesbitt) 7 



Males without copulatory suckers on tarsi or near anal plate; 

 larvae without "urstigma"; genital opening between coxae iv 



Saproglyphidae 



7. Body setae of adults long, loose, whiplike; in young stages often 

 stiff, rodlike Acaridae 



Body setae of adults feathered, pectinate, clublike Forcelliniidae 



8. Skin smooth, fine, not sclerotized 9 

 Skin sclerotized, leathery, scaly, not smooth 15 



9. Caruncles terminal on all legs 10 



Caruncles of legs i and ii which bear terminal claws long, cylin- 

 drical, and flexible and placed laterally on clawlike tarsus; tarsi 

 III and IV normal Hyadesidae 



10. Body with suture between propodosoma and hysterosoma 11 



Body without suture; no propodosomal shield; dorsal body setae 

 simple, with two pairs of long posterior setae; epimera of legs 

 I and II united and partially encompassing female genital opening 

 which lies between legs ii and in Carpoglyphidae 



11. Without cervical setae; without suckers on tarsus iv or near anal 

 opening in male 12 



With cervical setae; males with suckers on tarsi iv or near anal 

 opening 14 



12. No lenslike eyes present in place of cervical setae 13 



Lenslike eye in place of each cervical seta; no propodosomal 

 shield; body with four pairs of long, whiplike setae, two pairs on 

 rear, one on shoulders of hysterosoma and one pair in posterior 

 row of propodosomal setae; genital opening of female between 

 coxae III and iv; male not known Oulenziidae 



13. Female genital opening between coxae iii; male genital opening 

 between coxae iv; dorsal setae simple, of medium length; with 

 propodosomal shield Ensliniellidae 



Female genital opening between coxae iii and iv; with propo- 

 dosomal shield; dorsal body setae as a whole, short; dorsal sur- 

 face of body very finely wrinkled Czenspinskiidae 



Female genital opening between coxae iv; with propodosomal 

 shield; dorsal setae simple, of medium length Winterschmidtiidae 



