HOUSE FLIES, CENTIPEDES. AND OTHEB INSE< IS. 



51 



THE CLOVER MITE. 

 (Bryobia pratensis Garni. 



The subject of this section is a very minute reddish mite, less than a 

 millimeter in length, which, particularly in the Middle States, fre- 

 quently enters houses in enormous numbers in autumn, causing consid- 

 erable consternation and arousing very natural fears. Aside from the 



FlG. 18.— Bryobia pratewtit: a, female from abort; b. same, ventral view, with le^s removed; <* 

 and (/. tarsal claws; ,. proboscis and palpi from below; /. proboscis enlarged; .;. palpns enlarged; h. 

 one of the body scales: i', scale from outer cep halo-thoracic prominence; j. scale from inner cepbalo- 

 tboracic prominence; k. serrate hair from basal joint of h'*: I. same from penultimate joint; i/J. 

 spine of last joint— a, b. greatly enlarged; c-m, still more enlarged (from Kile> and Marlatt). 



