194 SELANDRTA SERVA. 



6 (1) 



7 (12) 



4 (3) Third antennal joint more than double the length of fourth ; 



second transverse cubital nervure interstitial. Sixii. 



5 (2) Eyes distinctly distant from base of mandibles ; labrum and 



base of antennae luteous. Flavescens. 



Abdomen black. 

 Tegula) white. 



8 (9) Anal segment bordered with white ; coxso for the greater part 



white. Analis. 



9 (8) Anal segment and coxse black. 



10 (11) Pentagonal area distinct ; temples margined behind. 



Stramineipes. 



11 (10) Pentagonal area indistinct ; temples not margined, 



Temporalis. 



12 (7) Tegular black. 



13 (14) Legs yellowish. Morio. 



14 (13) Legs black and white. Aperta. 



1. SELANDRIA SERVA. 

 PL XXI, fig. 1, Saw. ; PI. XII, fig. 11, Mandible. 



Tenthredo serva, Fab , E. S., ii, 119, 21; Klug, Berl. Mag., viii, 

 47, 7; Lep., Hon., 114, 334; Htg., 

 Blattw., 282, 53. 



soda, Klug, 111., vii, I.e., 10 ; Htg., Blattw., 282, 55. 

 Hylotoma serva, Fab., S. P., 26, 22. 



Selandria serva, Ste., 111., vii, 45, 1 ; Evers., Bull. Mosc., xx, 

 33, 17; Thorns., Op., 291, 1; Hym., 

 Sc., i, 236, 1 ; Cam., Fauna, 23, 1 ; 

 E. M. M., xlii, 198 ; Andre, Species, i, 

 294; Cat., 36*, 1. 

 soda, Ste., 80, 24. 



dorsalis, Ste., Ill,, vii, 45, 2. 



Yellow ; head, breast, nieso- and metanotum black, shining, covered 

 with a longish black pile. Wings (including nervures) more or less yel- 

 lowish at the base ; second recurrent nervure received a good piece past 

 the second transverse cubital ; apical nervures black ; basal three fourths 

 of costa yellow, the remainder with stigma black, the latter yellowish 

 beneath. The mouth is occasionally pale. 



The <$ has the mouth pale ; the apex of abdomen and of the legs 

 black, and the thorax is entirely black. 



AT). a. <$. Pronotum with a yellow line. 

 &. ? . Mouth and basal joint of antennas pale yellow. 



Length 3 3| lines. 



The c? is more variable than the ? . It varies 

 especially in the amount of black on the abdomen and 

 in the colour of the wings ; in some specimens they 

 are almost hyaline, while in others they are decidedly 

 blackish. 



