ITARVEST MITES. 



141 



CASE Erythr^us ruricola {Dtig. Ann. Sc. Nat. 1834).— 26. Enlarged sketch 

 ^ of ditto copied from Duges's. 



Erj thriEUS ruricola. 



This species is of a beautiful carmine colour, but it is so small 

 that it could scarcely be observed by the naked eye were it not 

 for their whirling course, like a particle of dust blown about by 

 the wind. They chase smaller acari than themselves, and carry 

 them off in their palpi, not sparing, probably, even the smaller in- 

 dividuals of their own species. They are found near Montpellier. 



ERYTHRiEUS CORNIGERA (Actineda comigera, Koch.). — 27. Magnified sketch 

 of ditto, copied from figure in Koch's Ubersicht. 



Actineda comig'era 



Koch's genus Actineda seems to us not to differ generically from 

 Erythraeus. Some species are broadest behind, others in front, 

 and in Erythraeus both are equal. 



