December, '09] journal of ECONOMIC ENTOMOLOGY 385 



uneducated nurserymen who have not yet been brought squarely 

 against the scale problem. The feeling of real respect (not merely 

 tolerance) toward the inspection work in this state was never so great 

 as it is at present. 



PLANT LOUSE NOTES, FAMILY APHIDIDAE 



By C. P. Gillette 

 Subfamily Lachnince 



Pliyllaphis fagi L. At Lansing I found this species extremely 

 abundant. Large American beech trees {Fagus ferniginea) had 

 more than half their leaves closely rolled in from the sides by the 

 pale yellow apterous form, the individuals of which were very nervous 

 and active when disturbed. Each louse dragged about four long 

 wavy threads of white secretion. No alate examples could be found. 

 At City Park, Albany, a week later, the same species was seen infest- 

 ing the underside of every leaf upon trees of the European beech 

 (F. sylvatica) of both the green and purple varieties, but in no case 

 vrere the leaves curled at all. I have never seen trees worse infested 

 with plant lice than were these beeches. A few alate lice were taken 

 at Albany. See figure 1. 



Lacliniis agilis Kalt. From pine leaves in City Park, Albany, 

 New York. Both alate and apterous forms of this louse were taken. 

 Lice very active and difficult to capture. Winged viviparce: Body 

 1.70, wing 2.12, antenna 1.30, hind tibia 1.60 millimeters in length. 

 Antennoe and all tibi« set with numerous long stout hairs. For 

 antenna and hind tarsus see figures 2 and 3. 



Laclimis sp., near agilis. Taken at same place and date as the pre- 

 ceding on spruce. Alate viviparce: Length of body 2.40, antenna 

 1.12, wing 3.30 millimeters; beak reaching well past 3d pair of coxa^; 

 hairs upon tibia and antennae more numerous than in case of agtlis 

 but the hairs are much weaker. Joint III with a single row of 4 

 tuberculate sensoria, IV with 1, V with 2. See figure 4. 



Lachnns sp. A very small, powdeiy species rather common in rows 

 upon pine needles at Washington, D. C. Alate vivipara: Length 

 1.40, wing 2.34, antenna .90, hind tibise .86 millimeters; hairs of 

 antennae and legs long, pilose and rather abundant. Joint III of 

 antenna with 8 sensoria ; IV with 2 ; V with 1. See figure 5. 



Melanoxantherium flocculossum Weed. Taken at Webster, j\Iass., 

 and Portland, Ore., from the bark of willows. Both alate and 

 apterous viviparae. The peculiar weak cornicles, small at base, a 



