SENA. 



135 



A. Ahdomen longer tlian space between apex of head and base of 

 crnciform elevation. 



a. Tegmina and ivings spotted. 



b. Tegmina and ivings hg aline. 



a . nostrum about reaching posterior codxe. 



1633. Sena quaerula, Pall. (Cicada) Heise, torn, ii, p. 729 (1773); Haffen, 



Stett. eut. Zeit. 1856, p. 38 ; Fieh. (Cicadatra) Bev. Mag. Zool. 



(3) iv, p. 48 (1876) ; Bist. Mnn. Orient, dead. p. 134, t. xii, 



t; 2, a, b (1892). 

 Cephaldxys quadrimacula, Walk. List Horn, i, p. 238 (1850) ; 



Atkins. (Mog-annia) J. A. S. Bern/, liii, p. 233 (1885). 

 Cicada steveni, Stctl,Ofv. Vet. -Ak.' Fork. 1854, p. 243. 

 Stoll, Cig. f. 6. 



Head and thorax above ochraceous or reddish-ochraceous ; head 

 with the front and a large broken transverse fascia between the 

 eyes black ; pronotuni with two central longitudinal fasciae, which 

 are irregular in width, the incisures and a siibmarginal lateral 

 fascia black ; mesonotum with four obconical spots (of which the 

 central pair are shortest and sometimes fused), a lanceolate spot 

 (sometimes absent) in front of cruciform elevation, and a spot on 



Fig. 58. — Sena queer ul a, var. 



each side of same black ; abdomen sometimes ochraceous with a 

 discal series of black spots, or altogether black with the ])()sterior 

 segmental margins ochraceous ; head beneath, sternum, li^'gs, and 

 opercula ochraceous ; the face, sternal spots, shadings to femora, 

 tibisB, and tarsi (more or less) black ; abdomen beneath ochraceous, 

 in some specimens black with the posterior segmental margins 

 ochraceous ; tegmina and wings hyaline, somewhat talc-like in 

 appearance, the venation sometimes towards apices ochraceous ; 

 tegmina with the costal membrane ochraceous, tlio transverse 

 veins at bases of first, second, and third apical areas (sometimes 

 only the second and tliird) very darkly infuscated, a small costal 

 spot at end of radial area and the upper margin of basal cell dark 

 fuscous ; wings with the transverse veins at bases of first, second. 



