October, '13] HODGKISS: NEW MAPLE MITES 423 



Oxypleurites denlilobis sp. nov. The body is small, triangular and the lateral 

 margins are blmitly serrate. The thoracic shield is large, ridged, and projects over 

 the rostrum. The dorsal striae are 23 in number and are ridged along the median. 

 The ventral striae are 63 in number, slightly swollen along the median and finely 

 punctuated on the posterior margins. The accessory setae are wanting. The legs 

 are short and stout. The claw is knobbed and longer than the feathered hair which 

 is 3-rayed. liCngth of females, 176-180 microns; length of males, 170 microns. 



Described from individuals found on leaves of the sugar maple, 

 Acer saccharum L., in association with E. elongatus and E. maculatus. 



Phyllocoples breviselosus sp. nov. The body is very short and narrow, and has a 

 large triangular thoracic shield which projects over the rostrum. The dorsal striae 

 are 18 in number, very long and ridged at the median. The ventrum is somewhat 

 swollen anteriorly and the striae, which number 75, are finely punctuated on the 

 posterior margin. The coxal and ventral setse are very short and the accessory 

 setae are wanting. Length of females, 180 microns; length of males, 120 microns. 



Described from individuals found on leaves of the black maple, 

 Acer negundo L. 



Phyllocoptes constridus sp. nov. The body is large, much distended anteriorly 

 and abruptly acuminate caudad. The thoracic shield is very large, arched and 

 projects over the rostrum. The dorsal striae are 65 in number and smooth. The 

 ventral striae are about 110 in number and fine punctuations occur in the middle 

 of the striae. The accessory setae are absent. The legs are long and stout. The 

 claw is knobbed and longer than the feathered hair which is 6-rayed. Length of 

 females, 183 microns; length of males, 146 microns. 



Described from individuals found among red erineum galls on the 

 upper surfaces of leaves of the sugar maple, Acer saccharum L. 



Phyllocoptes magnificus sp. nov. The body is very large, much swollen and has 

 a very large hemispherical thoracic shield. The dorsal striae are 42 in number. The 

 striae on the ventrum are 75 in number and rather coarsely punctuated. The setae 

 are all present and are long. The legs are very long and stout. The claw is knobbed 

 and longer than the feathered hair which is 6-rayed. Length of females, 207 microns; 

 length of males, 180 microns. 



Described from individuals found in epidermal hairy growths 

 w^hich occur in the axils of the veins on the under surfaces of leaves 

 of the Norway maple, Acer platanoides L. 



Phyllocoptes minutissimus sp. nov. The body is very small and tapers caudad. 

 The thoracic shield is large and broadly flattened at the anterior margin. The 

 dorsal striae are 28 or 29 in number. The ventral striae are 53 or 54 in number and 

 coarsely punctuated. The setae are all present. The legs are short. The claw is 

 knobbed and longer than the feathered hair which is 3-rayed. Length of females, 

 110 microns; length of males, 103 microns. 



Described from individuals found among red erineum galls on the 

 upper surfaces of leaves of the red maple, Acer rubrum L. 



