330 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 10 



Acmceodera van dykei Fall — California; mines wood of injured roots; 

 interior live oak (Quercus wisUzeni) ; flies from May to July; may attack 

 shade trees. 



Acmceodera cuneata Fall — Arizona; mines wood of injured and dying 

 trees; alder (Alnus tenuifolia); may attack shade trees. 



Aciyiceodera sp. near prorsa Fall. — California; mines wood of scars on 

 living trees; interior live oak (Quercus wislizejii) and black oak (Q. 

 calif or nica)', may injure shade trees. 



Acma^odera mariposa Horn — Oregon and California; mines wood of 

 inj ured and dying shrubs ; mountain mahogany {Cercocarpus parvifolius) , 

 Christmas berry (Heteromeles arhutifolia), poison oak {Toxicodendron 

 diver siloha), coffee berry {Rhamnus calif ornica) , deer brush (Ceanothus 

 integerrimus) , blue brush (C thyrsijlorus) and redbud {Cercis occiden- 

 talis); flies from April to June; feeds on the foliage of the hostplant; 

 may attack planted shrubs. 



Acmceodera sp. near pulchella Herbst. — Colorado and Utah; mines 

 wood of injured and dying trees; gambel oak (Quercus gambelii); hies 

 in July; may attack shade trees. 



Chrysophana placida Lee— Colorado, Utah, Washington, Oregon 

 and California; mines cones and wood of normal, injured, dying and 

 dead trees; mountain white pine (Pinus monticola), sugar pine (P. 

 lamhertiana) , single leaf pinon (P. monophylla), yellow pine (P. pon- 

 derosa), rock pine (P. scopulorum) , Jeffrey pine (P. jeffreyi), lodgepole 

 pine (P. murrayana) , digger pine (P. sahiniana), knobcone pine (P. 

 attenuata), alpine hemlock (T'suga mertensiana) , douglas spruce {Pesudo- 

 tsuga taxifolia), alpine fir {Abies lasiocarpa), white fir {A. concolor), 

 red fir (A. magnifica) and giant arborvitse {Thuja plicata); flies from 

 March to September; is destructive to seed crop of knobcone pine; 

 damages pine window and door casings in buildings and may attack 

 wood of planted coniferous trees. 



Agrilus angelicus Horn — California; mines twigs and small branches 

 of normal trees; live oak {Quercus agrifolia); flies from May to July; 

 feeds on the foliage of the host plant ; lays its eggs singly on the outer 

 bark of the twigs; girdles and kills twigs and small branches; damages 

 shade trees by causing a ragged or scraggy appearance; takes two 

 years for the life cycle. The published records on this distinct species 

 are under Agrilus politus Say. 



Agrilus sp. — California; mines bark and wood of branches and main 

 trunks of normal shrubs and trees; madrone {Arbutus menziesii) and 

 manzanita {Arctostaphylos manzanita and A. viscida); flies from May 

 to August; feeds on the foliage of the host plant; lays its eggs singly 

 on the smooth bark of the branches and trunk; girdles and kills branches 

 and causes the formation of enlarged galls; takes two years for the life 



