AltX. 7 



OBTHOPTEROID INSECTS FROM SIBERIA CAUDELL 



Measurements. — Length, pronotum, b.b mm.; antennae, about 10 

 mm.; posterior femora, 12 mm.; tegmina, 19 mm. 



Type locality. — Amagu on the Kudia River, Siberia. 



Described from two males, type and para type, collected by T. D. A. 

 Cockerell in July, 1923. 



Type.— Cat. No. 29212, U.S.N.M. 



A female nymph bearing the same data as the type probably 

 belongs here. 



MEGAULACOBOTHRLS KONGALSENSIS, new species 



Male. — Superficially very like Megaulacohothrusfuscipenjiis Caudell, 

 but is smaller, the tip of the abdomen not red and the tegminai vena- 



Kici. ].— Tegmen of M. kongausexsis, new species 



tion very different. The anterior radial vein of the tegmen diverges 

 suddenly from the posterior one a little basad of the middle and 

 extends to the anterior edge of the tegmen; figure 1 shows the teg- 

 men of this new species while figure 2 shows that of juscipennis. 

 The wings are similar in the two species, being uniformly and rather 



Fig. 2.— Tegmen of M, vuscipennis CAt^DELi, 



deeply fuliginous, a feature suggested by the nst,m.efuscipenn!8 but 

 unfortunately omitted from the original description of that species. 



The posterior tibiae are yellowish in the new species now under 

 discussion, instead of red as m juscipennis, and the posterior femora 

 are yellow with the geniculations black. 



Measurements. — Length, pronotum, 4 mm.; antennae, about 12 mm.; 

 tegmina, 19 mm.; posterior femora, 11 mm.; width, tegmina at widest 

 point, 5.25 mm. 



Type locality. — Kongaus, Siberia. 



