I8 9 i.] 



A New Herbarium Pest. 



335 



of the plants upon which the larvae had been found prior to 

 its work on Rhus toxicodendron will be of interest in this 

 connection. 



Species. Order. Locality. 



Ptelea aptera. Rutaceae S. California. 



Ceanothus sorediatus Rhamnaceae. S California. 



Dalea Seemanii Leguminosae S. California. 



Lupinus coccineus. , Leguminosae Arizona. 



Purshia tridentata Rosaceae Arizona. 



Prunus demissa Rosaceae S. California. 



Ribes viburnifolia Saxifragaceae S. California. 



Epilobium angustifolium 1 Onagraceae E. Massachusetts. 



Arctostaphyllos oppositifolium . . . Ericaceae S. California. 



Eriodictyon glutinosa Hydrophyllaceae Arizona. 



Gilia Rusbyi Polemoniaceae Arizona. 



Pentstemon secundiflorus Scrophulariaceae , Arizona. 



Audibertia Clevelandii Labiatae S. California. 



Labiatae Arizona. 



..... Labiatae Arizona. 



Dracocephalum parviflorum 

 Salvia ballotaeflora 



The eggs are laid upon the plants or on any surrounding 

 object. They are but slightly .attached, bluntly ovoid, 0.3 

 mm. wide and 0.4 mm. long. They are steel-gray in color, 

 the shell white with faint iridescence when empty, and faintly 



and irregularly reticulate. 



The duration of the larval period 





1 t. 1 



mr *n 



. ¥&% 



r^ . ._— _ 



* W p ^ 







b 



*^_. - 



■ 



;■ ___■ 





Fig 1 Carphoxera ptelearia: a, larva from side; b. do. from above; c, side view 

 of abdominal joint of same; d tubercle of same, e pupa; . /. do. cremaster; 

 g. do. abdominal projection.-*, b, d, enlarged about six times, e, d, /, still 

 more enlarged. (Original.) 



_E. angustifolium grows in the West but mostly in northern California and 



Oregon. 



