l68 jjxvi i loni, vjrrt.j-,j_3 



covered with long white hairs. Imago, May, I. (Plate 

 XXII. I.) 



DryophaWta similis Adler 253 



Syn. Spathegaster similis Adler. 



Connold, Oak Galls, pi. 52 ; Plant Galls, fig. 192, 

 Houard, No. 1261. Adler and Straton, Alternating Gener- 

 ations, pi. 2, fig. 15a. 



Hymen- On the under surface of the leaf, attached to the midrib 



optera or the lateral veins. Gall spherical, 8 to 10 mm. in diameter, 



red, often girdled with a series of large yellowish bands, 



which are often granulated. Internal cavity elongated. 



Imago, November or December, I. (Plate XXII. 3.) 



DRYOPHANTA similis, form LONGIVENTRIS 254 

 Syn. Dryophanta longiventris Hartig. 

 Connold, Oak Galls, pi. 43 ; Plant Galls, fig. 205. 

 Houard, No. 1322. Adler and Straton, Alternating 

 Generations, pi. 2, fig. 15. 



In dormant adventitious buds, of the trunk and branches. 

 Gall very minute, ovoid, 2 to ; mm. high, rounded, slightly 

 depressed at the top, at first red, becoming violet ; covered 

 with very short hairs, which give it a velvety appearance. 

 Imago, May or June, I. (Plate XXII. 5.) 



DRYOPHANTA TaSCHENBERGI Schl. 255 



Syn. Spathegaster Taschenbergi Schl. 



Connold, Oak Galls, pi. 52; Plant Galls, fig. 193. 

 Houard, No. 1259. Adler and Straton, Alternating 

 Generations, pi. 2, fig. 14a. 



>> On the under surface of the leaf, attached to the midrib 



and the lateral veins. Gall large, spherical, 10 to 20 mm. in 

 diameter, occasionally even 30 rhm. in diameter, at first 

 shining, fleshy, green or yellow, more or less tinted with 

 red, smooth or rough, with little tubercles. After the de- 

 parture of the insect it contracts and dries up. There is 

 no internal gall. Solitary or gregarious. Imago, Sep- 

 tember to December, I., II. (Plate XXII. 6, 7.) 



DRYOPHANTA TASCHENBERGI, form POLII 256 



Syn. Dryophanta folii Linn. ; Dryophanta scutellaris 

 Hartig. 



Connold, Oak Galls, pls.^ t, 44, 45 ; Plant Galls, fig. 206. 

 Houard, No. 1320. Adler and Straton, Alternating 

 Generations, pi. 2, fig. 14. 



