226 LYG^EINA. 



the 1st and 2nd pairs as long as the other 2, on the 3rd pair 

 longer. 



Abdomen as in Cymus, but in the ? , the 3rd genital segment is 

 large, convex, ridged in the centre, and posteriorly broadly rounded. 



Species 1. NYSIUS THYMI. 



LYG^EUS THYMI, Wolf, Ic. Cim. 149, 143, t. 15, fig. 143 (1804); Fall. 



Hem. Suec. 49, 3 a (1829). 

 HETEROGASTEB, ERIC^E, Schitt. Beitr. 86, 4, t. 7, fig. 10 (1829). 



THYMI, Curt. B. E. xiii, 597, 1 (1836) ; Sahib. Geoc. Fen. 



52, 2 (1848). 



CYMUS (ARTHENEIS) ERIC^; $, Flor, Rhyn. Liv. i, 292, 2 (1860). 

 NYSIUS THYMI, Fieb. Europ. Hera. 169, 3 (1861). 



Dull luteous ; head and pronotwm more or less obscured by black 

 punctures ; antennae light brown; 1st joint yellow at the base ; 

 4th piceous. Corium pale ochreous ; nerves brown ; posterior 

 margin broadly piceous. Legs yellow ; thighs spotted with 

 brown. 



Head with rather large, irregular black punctures ; Crown 

 usually with a broad, black, longitudinal line on each side, but 

 leaving the orbit of the eyes luteous, the dark line sometimes 

 branching out to the base of the central lobe of the face ; base often 

 with a clear yellow spot; Face; lobes luteous, or deep yellow; 

 outer margin of the side lobes and sides of the central lobe black. 

 Antennas light brown ; 1st joint yellow at the base, the rest 

 spotted with black ; 2nd and 3rd light, or yellow-brown, piceous at 

 the apex, or entirely pitchy -brown ; 4th piceous. Eyes and Ocelli 

 piceous. Hostrum black. 



Thorax. Pronotum with irregular punctures, larger than those on 

 the head ; anterior margin usually clear luteous ; the narrow trans- 

 verse incision black, unpunctured, obscured by a broader transverse, 

 black band, from which sometimes a short black spur juts down the 

 centre of the disk, or a fine pale line extends down the middle, from 

 the anterior to the posterior margin, there expanding into a smootfi 

 spot ; the callus at the hinder angles pale luteous, shining, unpunc- 

 tured, with a brown or black spot on each side. Scutellum more 

 or less obscured by black punctures, finer than those on the pro- 



