OLADIUS VIMINALIS. 29 



1 (2) Labrum emarginate at apex. Epistoma keeled ; third joint in 



$ scarcely curved. Patellae large. Abdomen ochreous. 



Viminalis. 



2 (1) Apex of labrum rounded. Third joint of antennas curved, 



slightly produced beneath. Epistoma not keeled. Abdo- 

 men black. 



3 (4) Legs yellowish -red. Rufipes. 



4 (5) Femora entirely black. Eradiatus. 



5 (4) Femora nearly all white ; wings not clearer at apex than at 



base. Drewseni. 



2. CLADIUS VIMINALIS. 



Vol. I, PI. V, fig. 2, Larva ; PL XY, fig. 3, rf . Vol. II, 

 PL XIV, fig. 1, Saw. 



Tenthredo viminalis, Fall., Acta, 1808, 117, 59. 

 Nematus grandis, Lep., Mon., 61, 179 ; F. Fr., pi 10, f. 1. 

 Cladius luteiventris, Dbm., Prod., 103, 3. 



luteicornis, Ste., 111., vii, 24, 7, PL, 38, f. 1. 



eucera, Htg., Blattw., 177, 4. 



viminalis, Voll., Tijd. Ent., i, 176, PI. 10; Zool. (.)., 



7721 ; Bouche, Naturg., 100 ; Ratz., 

 Forstins , iii, 129, T. 9 j Brischke, 

 Beschr., 9, pi. ii, f. 1 ; Thorns., Hym. 

 Sc. f i, 74, 5 ; Cam., Proc. 1ST. H. S. 

 Glas., iii, 20, 2; Fauna, 28, 2 ; Br. 

 and Zad., Beob. ii. Blattw. (2), 26, 

 Taf. 1, f. 5. 

 Trichiocampus viminalis, Andre, Species, 1, 81 ; Cat., 9,* 1. 



Luteous ; head, middle of breast, pronotum in front above, meso- and 

 metanotum for the greater part shining black. Antennas longish, black 

 above, ochreous beneath ; apex of tarsi brownish or fuscous. Wings 

 yellowish hyaline, slightly clearer at the apex ; nervures and costa 

 dark reddish-brown ; stigma dark fuscous at base, tegulse luteous. The 

 first transverse cubital nervure may be absent or present. 



The $ has the antenna) longer, dark yellow in colour, except the basal 

 two joints which are black. 



Length 33^ lines. 



The larva lias the head compressed in front, shining 

 black; mouth pale yellow; mandibles black. Legs 

 white ; the thoracic with a line over them. The second, 

 third, and the last two segments orange; the rest of 

 the body green, sometimes with a faint orange tinge. 

 On each side close to the top are twelve large oval or 

 roundish black marks ; directly over each clasper is a 

 small black mark ; over these and close to the large 

 marks are two small black ones ; on the anal segment 



