724 



ARTHROPODA 



Hyalomma segyptium Linnaeus, 1758. 



Synonyms.- — Acams cBgyptus L., 1758; Ixodes camelinus Fischer, 

 1823. 



This tick is found in Africa, particularly in Egypt and South 

 Africa; in Asia, particularly in Southern India; in Europe, espe- 

 cially in France and Italy. The adults attack cattle, especially 

 sheep and goats, and also at times man. The larvse and nymphae 

 are supposed to attack birds, not cattle. 



The male is almost black, with a pale marginal stripe, with a 

 small, triangular, often white, median festoon. 



The female is brown, with light blue stripes. Scutum, which 

 as a rule is as broad as long, possesses numerous punctations, and is 

 indentated behind the eyes. 



Life-History.— This appears to^ require further investigation. 



Pathogenicity. — Can transmit Piroplasma bovis to oxen. 



SUBORDER JV. PROSTIGMATA. 



The suborder Prostigmata contains two superfamilies, which are 

 of importance in medicine. 



SuPERFAMiLY A: Trombidoidea. — Prostigmata in which the last 

 joint of the palpi is bent down towards the penultimate joint, which 

 usually ends in a claw. Body often with many hairs. 



SuPERFAMiLY B : EupopoiDEA. — Prostigmata with simple palpi, 

 in which the last joint of the palpi is not bent down towards the 

 penultimate joint, Body with fev/ hairs. 



