514 New Insects from Embudo, New Mexico. 



Coccidae. 



Eriococcus arenosus, sp. n. 



$ . — Scale oval, about 4 millim. long, white, covered all 

 over with particles of sand. 



? . — Boiled in caustic soda stains the liquid reddish. Legs 

 and antennae pale brownish ; antennte shorter than tibia + 

 tarsus, 7-segmented, 4 longest, 3 a little shorter than 1, then 

 2, then 5. Formula 4 3 1 2 5 (6 7). 4 about as long as 

 5+6 + 7; 7 quite bristly. Legs large; coxa large; femur 

 hardly a third longer than tibia; tibia and tarsus almost 

 exactly the same length, each with a few stout bristles. 

 Claw large, not much curved ; all the digitules filiform, with 

 inconspicuous knobs, that of tarsus extending nearly as far 

 as those of claw. There appears to be only one tarsal 

 digitale. Skin with many round gland-spots and stout blunt 

 spines. Caudal tubercles elongate. $ flattened under cover- 

 glass 3^ millim. long, oval. 



Eggs pale lemon-yellow. 



(J . — Scale small and narrow, yellowish white or snow- 

 white, not covered with sand. 



Hah. Embudo, Sept. 26, on a low herbaceous plant with 

 linear consjiicuously gland-dotted leaves, not seen in flower*. 



The sand-covered sac is a peculiarity of the Coccid. 



Lecaniodiaspis artertnsice, sp. n. 



$ . — Scale suboval, 3 millim. long, ]f wide, reddish 

 ochreous, peppered with black specks; surface dull, rough 

 and tuberculate, thoracic region with two prominent trans- 

 verse crests. 



$ . — Dermis with scattered tigure-of-8 glands and small 

 spines. Caudal tubercles quite well developed. Mentum 

 rather obscurely trimerous. Antennje apparently absent in 

 adult; in younger examples they are small rounded promi- 

 nences, bristly at end, without visible joints. The insects 

 alter boiling are pale pinkish. 



(^ . — Scale about \\ millim. long, subcylindrical, cream- 

 colour with black specks. The black specks on the scales 

 consist of extraneous matter attached. 



Hah. Embudo, Sept. 25, on sage-brush [Artemisia). A 

 bright red mite occurs among them. 



L. artemisice is very distinct by the aborted antennse. 



* I sent the plant ou wliicli Eriococcus arenosus was found to 

 Prof. E. O. Wootou, who says lie thinks it is safe to call it Psoraka 

 micrantha, Gray. 



