48 MISCELLANEOUS STUDIES 



48. Lachnus oregonensis Wilson 



Wilson, Trans. Am. Ent. Soc., vol. 12, p. 103, 1915 (orig. desc.). 

 Eecord. Pinus contorta, Oregon and California (Wilson). 



There has been no published record of this species from California. 

 Wilson wrote the author some time ago that he had taken it in this 

 state, although he gave no definite locality. The author has never seen 



specimens. 







49. Lachnus pini-radiatae Davidson 



Figure 95 



Davidson, Jour. Econ. Ent., vol. 2, p. 299, 1909 (orig. desc.). 

 Davidson, Jour. Econ. Ent., vol. 3, p. 374, 1910 (list). 

 Davidson, Pom. Jour. Ent., vol. 3, p. 398, 1911 (list). 

 Essig, Pom. Jour. Ent,, vol. 4, p. 773, 1912 (list). 

 Essig, Pom. Jour. Ent., vol. 4, p. 785, 1912 (descriptive note). 



Becords. Pinus radiata, Stanford University (Davidson), August, 1914, April, 

 1915 (author), March, 1916 (K. B. Brown); Pinus ponderosa, Bowman, Placer 

 County, November, 1911 (H. H. Bowman), Berkeley, March, 1915 (Geo. Shinji) ; 

 Pinus sabiniana, Penryn, Placer County (Davidson). 



This is a fairly small, slender-bodied, long-legged lachnid found 

 infesting the needles of various pines in the San Francisco Bay region 

 and in the Sacramento Valley. They are easily recognized on the 

 needles by the whitish mass of flocculence which covers their bodies. 



50. Lachnus ponderosa Williams 



Figure 104 



Williams, Univ. Neb. Studies, vol. 10, p. 106, 1910 (orig. desc.). 

 Davidson, Jour. Econ. Ent., vol. 7, p. 127, 1914 (list). 



Eecord. Pinus ponderosa jeffreyi, Tallac, Eldorado County (Davidson). 



Davidson's is the only report of this species in California. The 

 identification of his specimens was verified by Davis. One specimen 

 the author saw was quite small, being much smaller than the others 

 taken by Davidson. 



51. Lachnus pseudotsugae Wilson 



Figures 92, 98 



Wilson, Can. Ent., vol. 44, pp. 159, 302, 1912 (orig. desc.). 

 Eecord. Pseudotsuga taxi folia; Oregon, California (Wilson). 



