76 



gin infuscated, media at the basal 2/3 obsolete; hind-wings with 2 

 obsolete obliques; cornicles and cauda indistinct; legs fulvous, femora 

 at the apices somewhat infuscated. 



Length of body 1.2 mm.; exp. tegm. 3.4 mm.; antennae 0.5mm. 

 Nymph -Fulvous, broader than the winged female; antennae shorter 

 than the head and thorax taken together, broad, the 3rd, 5th and 6th 

 subequal, the 4th much shorter, annulations not distinct as those of the 

 imago, the 6th at the apex pointed, with a few tiny hairs; rostrum 

 not reaching to the 2nd coxae; wing-sheath concolored, reaching to 

 the base of the abdomen; legs concolored. 



Length of body 1.3 mm.; antennae 0.3 mm. 

 Gall - Nearly rouadish, sessile, with numerous wart-like protuberances 

 and hairs; green in colour, becoming yellowish when it matures; the 

 largest one measuring about 20 mm. in diameter; it is made always 

 only on the upper surface of the leaf along the midrib near the petiole, 

 sometimes 7or 8 galls gathering together on a single leaf. It is closely 

 allied to the European Tetraneura albaV) Katz. but our gall has a large 

 nu ruber of tubercles all over the whole surface, emitting a hyaline bristly 

 hairs from the tip of each tubercle; the inhabitants of this gall are 

 much smaller. About the summer generations of this insect are not 

 yet known. 



Hab. - Hokkaido (Sapporo). 



F. P. - Ulmus carrvpesbris, U. montana. 



Nom. Jap. - Nire-tama-fushi. 



2. Gobaishia nirecola n. sp. (PI. XII, f. 4 a. b; pi. XIII, f. 10). 



V) Ratzeburg -Die Forst-Insekten Vol. Ill, p. 222 T. XIH, f. 3 (1844); Frank, 

 Krank. Pflanzen. Vol. Ill, p. 158, f. 40 (1896> 



