INSECTS AFFECTING PARK AND WOODLAND TREES 653 



A small, snapping beetle about inch long with its yellowish wing covers thickly marked 

 with curved, dark brown or black lines . . Cory m bites h i e r o g 1 y p h i c u s, p. 692 



A small, black clerid wjjh wing covers marked with zigzag black and gray transverse bands 

 occurs on spruce 



Cloudy bark beetle destroyer, T h a n a s i m u s n u b i 1 u s, p. 693 

 A small beetle 3 /,6 inch long with pale yellow irregularly mottled wing covers and black 



head and thorax Hydnocera pallipennis, p. 693 



A jet-black, slender beetle nearly 5/16 inch long occurs on late scrub growths 



Hydnocera humeralis var. cyanescens, p. 693 

 A small, variable, somewhat elongated, brown beetle about inch long 



Ernobius mollis, p. 694 

 A greenish, coppery, elongate, parallel-sided beetle about )4 inch long 



Dichelonycha albicollis, p. 694 

 A thick, cylindric, brilliant brassy, coppery hued, rather stout beetle 



Pine Chrysomela, Glyptoscelis pubeseens, p. 695 

 A stout, yellowish brown beetle a trifle over }i inch long 



Cryptocephalus s c h r e i b e r s i i , p. 695 

 A small, stout, black, red-spotted beetle inch long 



Cryptocephalus q u a d r i m a c u 1 a t u s, p. 695 

 A small, brown or blackish beetle, }& inch long, with lighter transverse bands on the wing 



covers and a conspicuous pronotal process Notoxus bifasciatus, p. 696 



A-small, brown, black-marked beetle about *4 inch long with a conspicuous pronotal 



process N o t o x u s a n c h o r a, p. 696, 



A yellowish brown, black-dotted, somewhat oval plant bug Y% inch long 



Coenus d e 1 i u s, p. 697 

 Delicate, greenish or brownish lace-winged flies with golden eyes, occur on many plants 



Lace-winged flies, Heraerobius stigmaterus, p. 697 



Micro m us m o n t a n u s, p. 697 

 Slender, pale green or greenish white, cricketlike creatures 



Flower or tree crickets, several species, p. 698 



Larger flat-headed pine borer 



Chalcophora virginieusis Drury 

 Large, white, fleshy, flat-headed borers i} : > inches long occur under pine bark in long 

 narrow, very shallow grooves in the surface of the wood, transforming to a dark metallic 

 gray, flattened beetle 1 to i}{ inches long. 



This large, white, fleshy, flat-headed borer about inches in length 

 may be met with under pine bark, where it inhabits long, narrow and very 



