70 NEW YORK STATE MUSEUM 



Globose, apic^,!, somewhat pointed, crimson or scarlet, turning a dark brown, 

 monothalamous, diameter 5 to 8 mm, onQ. undulata and Q. g a m- 

 b e 1 1 i i. Fig. 63, 8, 9. Beutm. '09a, p. 39 



Cynipid. Disholcaspis perniciosa Bass. 



Globose or irregular, clustered, woody, clay-brown or reddish tinged, twig galls, 



diameter of mass 30 mm, of individual galls 8 to 18 mm. Beutm. 'iia, p. 87 



Cynipid. Disholcaspis mexicana Beutm. 



Globose, solitary, woody, thin-shelled twig gall, the tip frequently slightly 



pointed, the base somewhat excavated and partly surrounding the twig, pale 



orange, with short, gray hairs, internally a small basal cell, diameter of gall 



12 to 15 mm. Ore. Trotter '11, p. 102 



Cynipid. A n d r i c u s sp. 

 Globose, woody, solitary' or clustered twig gall with a short stem, the dry galls 

 of the same color as the twig, diameter 7.9 mm, of the cell 4 mm. Ore. 

 Trotter '11, p. 102 



Cynipid. C a 1 1 i r h y t i s sp. 



(b) Form more ovoid, with a point at the apex 

 Globose, obscurely pointed, green, bright red, turning to brown or dark red, 

 diameter 6 to 18 mm, on Q. platanoides, Q. macrocarpa. Fig. 

 64, I. Beutm. '09a, p. 31 



Cynipid. Rough bullet gall, Disholcaspis mamma Walsh 



Ovate, green, becoming brown, bud gall usually with leaves growing from the 



sides and internally a closely imbedded though separate larval cell, length 9 



mm, diameter 5 to 6 mm, on Q. undulata. Fig. 64, 12. Beutm. '09a, 



P- 34 



C^^nipid. Disholcaspis sileri Bass. 



Globose gall covered with very fine, short, grayish pubescence and somewhat 

 pointed at the apex; the larval cell occupies most of the gall, diameter 5 mm. 

 Ashm. '97, p. 122 



Cynipid. Andricus perplexus Ashm. 

 Irregularly pyriform twig gall with a bent point apically, diameter i cm, on 

 Q. macrocarpa. Karsch '80, p. 291 



Cynipid. Andricus macrocarpae Karsch 



(c) Form more or less conical 

 Hard, conical, black or brownish black galls issuing from the bud axils on the 

 larger branches, the apex sometimes curved, dimensions 12 by 6 mm, on 

 Q. laurifolia, Q. p h e 1 1 o s. Ashm. '81, p. XXVI 



Cynipid. Andricus coniferus Ashm. 

 Irregular, somewhat triangular, hard, finely rugose, blackish, seedlike twig gall, 

 mostly covered with a whitish bloom. Ashm. '97, p. 130 



Cynipid. Callirhytis crassicornis Ashm. 

 Conical, clustered twig or branch gall, often deep red, becoming when dry, brown 

 or black, length 12 to 18 mm, on Q. i 1 i c i f o 1 i a. PI. i, fig. 8. Bassett 

 '64, p. 68 



Cynipid. Andricus ventricosus Bass. 

 Globose, usually with a produced, curved apex, single or clustered twig gall, 

 green turning to brown, on Q. platanoides, Q. imbricaria. 

 Fig. 64, 6, 7. Beutm. '09, p. 33 



Cynipid. Disholcaspis bassetti Gil. 



