328 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [Bull. 



dusky. Antennae long reaching to posterior margin of meta- 

 thorax. Cornicles usually present, weakly developed. 



Joint i, .043 mm. ; ii, .069 mm. ; iii, 3.435 mm. ; iv, .139 mm. ; 

 V, .174 mm. and vi -\- spur, .191 mm. 



Base of joint iii usually slightly swollen for a short distance. 

 Sensoria on iii, 20-25 > iv, 6-8; v, 8-10; vi, 8-10. Sensoria nearly 

 or entirely encircling joints. 



The galls are quite similar in form to those produced by 

 Tetraneura graminis only less notched at top and less ribbed on 

 sides. Walls thin. Length of large galls about five-eighths inch, 

 height about one-half inch. From side to side they measure 

 about three-sixteenths inch. Slightly constricted where attached 

 to leaf. Placed on upper side of leaves of Populus deltoides. 



Type locality : College Station, Texas. 



Dr. A. C. Baker who has had this species in manuscript offers 

 the following data : 



1. Collected by T. A. Williams, Lincoln, Neb., 1891. Host plant not given. 



2. Collected by Theo. Pergande, on the Potomac flats near Chain Bridge, 



D. C, May 25, 1905. Each gall contained at this date only stem 

 mother and young larvae. From June 8 to 16 migrants were 

 obtained. 



3. Collected by Chas. E. Sanborn, College Station, Texas, April 26, 1906, 



on Cottonwood. Galls contained stem mothers, pupae and migrants. 



4. Collected by T. H. Jones, Baton Rouge, La., June 4, 1919, on poplar. 



Subfamily Mindarinae. 

 Mindarus Koch. 



M. abietinus Koch. (Fig. 28, 5.) Schisoneura pinicola Thomas. 



Die Pflanz. Aphid, 278, 1857. 



For figures and account of work on Picea and Abies see Patch 

 (1910b and 1911b). 



Subfamily Hormaphidinae. 

 Hormaphis Osten Sacken. 



H. hamamelidis (Fitch). Brysocrypta hamamelidis Fitch. (PI. 

 xi, 4.) 



Homop. N. Y. St. Cab., 69, 1851. 



Developing in conical galls on leaves of Hamamelis virgintana 

 and migrating to Betula. For life history and figures see Pergande 

 (1901). 



On witchhazel, Meriden, 24 July, 1909 (A. I. B.). 



Hamamelistes Shimer. 



H. spinosus Shimer. Hormaphis papyraceae Oestlund. (PL xi. 

 3.) (Fig. 28, 7.) 

 Trans. Am. Ent. See, i, 284, 1867. 



