434 



NEW YORK STATE MUSEUM 



51 Larch aphid gall 



Chermes abietis Linn. 



MITES 

 Acarina 



Gall mites 

 Phytoptidae 



52 Fusiform maple gall 



Phytoptus acericola 

 Garman 



53 Linden mite gall 



Phytoptus abnormis 

 Garman 



Forest insects 



The species affecting forest trees in particular, are numbered 

 54 to 97 inclusive and were contained in three horizontal trays, 

 occupying one side of the case. This section was devoted prin- 

 cipally to representing the biology of the members of this important 

 group and to displaying the work of various forms. 



65 Common oak clytus 



Xylotrechus colo- 

 nus Fabr. 



66Neoclytus erythro- 

 cephalus Fabr. (Asso- 

 ciated species) 



67Tomoxia bidentata 

 Say (Associated species) 



68 Ribbed rhagium 

 Rhagitim lineatum 



Oliv. 



69 Pytho americanus 

 Kirby 



70 Pine sawyer 

 Monohammus con- 

 fuse r Kirby 



71 Pine sawyer 

 Monohammus scu- 



tellatus Say 



72 Tickler 

 Monohammus titil- 

 late r Fabr. 



73 White pine weevil 

 Pissodes strobi Peck 



74 Willow snout beetle 

 Cryptorhynchus la- 

 pa t h i Linn. 



Bark and wood borers 

 Scolytids 



75 Monarthrummali Fitch 



76 Gnathotric h[u s materia- 

 rius Fitch 



77 Pityogenes sp. 



54 Large black ant 



Camponotus penn- 

 sylvanicus Cress. 



Specimen from heart of dead spruce, cut by 

 William B. Young, on east shore of Lake 

 Placid, Dec. 1903; 187 rings were counted 

 and the tree was probably over 225 years old. 



55 Large carpenter bee 



Xylocopa virginica 

 Drury. 



Wood borers 



56 Xiphydria provan- 

 c h e r i Cr. 



57 Pitch pine twig tortrix 



Retinia comstocki- 

 a n a Fern. 



58 Pitch tip moth 



Pinipestis Zimmer- 

 man i Grote 



59 Bronze birch borer 



Agrilus anxius Gory. 

 90 Blue pine borer 



Callidium anten- 



na t u m Newm. 



61 Maple tree pruner 



Elaphidion villo- 

 s u m Fabr. 



62 0brium rubrum Newm. 



63 Painted hickory borer 



Cyllene pictvis Drury. 



64 Locus't borer 



Cyllene robiniae 



Forst. 



