o 



16 THE CANADIAN ENTOMOLOGIST. 



When placed in boiling K. H. O., body turns crimson, derm becomes 

 colourless after boiling. Antennae 8-jointed. Joint 8 longest, joint 7 

 generally shortest. Formula, approximately: 832(15)647. Each joint 

 has a ring of stout hairs. Joint 8 has numerous very long hairs. Legs 

 long and stout, with numerous long fine hairs. Femur about as long as 

 tibia ; tarsus about a third as long as tibia ; claw slender and well 

 curved. Digitules long fine knobbed hairs. Anal ring small, with six 

 fine hairs. Caudal lobes well developed, with very long setae (280 /x). 

 Groups of spinnerets, conical spines and long slender hairs scattered 

 over the dorsum. 



Hab. — On Qnercus chrysolepis, on the leaves and in cracks of bark. 

 May, 1899. Stevens Creek Canon, near Mountain View, Cal. 



Dactylopius maritimus, n. sp. (Plate 7, fig. 7.) 



$ elongate oval, about 2 mm. long and i mm. broad, flattish, 

 slightly covered with secretion. Colour of body, reddish-brown. 

 Margin beset with stout, short, white filaments, which grow longer 

 caudad. Caudal setag about ^ length of body. Legs and antennae 

 same colour as body. Eggs orange-yellow. Egg sac well developed and 

 has the appearance oi Fu/vinaria camellicola., but smaller — about 5 mm. 

 long and 2 mm. broad. 



Young larvae light orange-yellow. 



When boiled in K. H. O., ? turns liquid purple and derm becomes 

 colourless. Body thickly beset with long slender spines and many round 

 glands. Each segment has a group of spinnerets on its margin, in the 

 centre of which are two short stout conical spines. Antennre 8-jointed, 

 quite hairy. Joint 8 always longest, and joint 4 generally shortest, 

 although joint 6 sometimes is shorter than 4 ; again, joints 4 and 6 are 

 sometimes equal. 



The following formulae will assist in determining the species : 



82(i3)(c7)64. 

 82(13)5(47)6. 



8321(57)64- 

 81(23)57(46). 



Legs quite hairy, well developed, long and slender. Trochanter 

 with long stout spine (128/x). Femur about as long as tibia. Tarsus 

 about a third as long as tibia. Claw short and stout. Digitules fine 

 knobbed hairs. Caudal lobes prominent, with moderately long setse 

 and two very stout conical spines. Anal ring large, with 6 very long 

 stout hairs. 



Hab. — On Eriogonum latifolium roots on the cliffs at Santa Cruz, 

 Cal. July, 1899. 



