355 



12. Lamella' hir^e. broad, three fourth.'^ as loii^- as the ceplialo- 



thorax rir(j'ni /(■</. 



Lamelhe very small, short, about one fourth as lou<r as the 

 cephalothorax pdrrihinirlhild. 



13. Abdomen hairless i/ntiD/st'i/sis. 



Abdomen with prominent hairs //(u/l.-si. 



Orilidfd ('iiiinyliKifd Uaid\s. 



189.5. (h-ihahi rmiiri/luiihi. Banks, Trans. Amer. Ent. Soc, Vol. X.XIl., p. 7. 



Dark brown: integument very hard: surface smooth. 



LamelLe absent, liostrum .stout, with a rounded anterior 

 end; rostral hairs curved and pectinate; tectopedia blade-like 

 and two thirds as long as the rostrum; pseudostigmatic organ 

 clavate and pectinate. al)0ut as long as the tarsus of leg 1; 

 interlamellar hairs stout and pectinate. 



Abdomen slightly pyrifonn and hairless; pteromorplue 

 slightly pointed, extending forward almost to the tip of the 

 rostrum; anal and genital openings far apart; genital covers 

 about two thirds as long as the anal covers. Females with a 

 long, segmented ovipositor, which is often extended when the 

 mite is killed in hot water. This ovi[)ositor is trilobed distally. 

 each fork bearing two large liristles. 



Legs subequal in length ; fourth pair longest; second pair with 

 very stout femora. First pair of legs twice as long as the cei)h- 

 alothorax; tarsus the longest segment, bearing a large |)lumose 

 hair at a point about one third the distance from the iiroxinial 

 to the distal end of the segment; tibia much shorter than the 

 tarsus and globose distally; genual as long as the tilua. but onl\' 

 about half as In'oad; femur large; coxa small. 



Length. 0.S9 mm.; breadth, 0.50 mm. 



Under logs and in rubbish. Collected l)y the writer at 

 Areola. Urbaua, (ialesburg. Chicago, and Marshall. 111. .Mi'. 

 Banks has confirmed the detei'mination of this s|)ecies. 



Orihdta ruhnsld Banks, i I'l. .\ X X 1 1 1., Fig. 4. ) 



189.5. Orihdta roljiishi, I'.anks, Trans. Aiiiev. Ent. Soc, Vol. .X.XII., p. 7. 



Uniform light brown; integument thin and brittle. 



