TEXTHREDO C011YIJ. 77 



mottled with black, and with an orange-coloured 

 head. Tt pupates in the earth. 



The flies are very common in June and early in 

 July, appearing often on the flowers of the rasp. It 

 is found everywhere in abundance in Scotland, but 

 does not seem to be equally common in England, 

 although generally distributed there. 



On the Continent it occurs in Scandinavia, Ger- 

 many, Hungary, Holland, France, Italy and Russia to- 

 the Ural Mountains. 



3. TENTHREDO CORYLI. 



Tenthredo coryli, Panz., F. G., Ixxi, fig. 8 ; Fab., S. P., 34, 22 ; 

 Klug, Berl. Mag., viii, 182, 120; 

 Lep., Mon., 78,230; Htg.. Blattw., 

 313, 57; Von Siebold, S. E. Z., 

 1845,325; Andre, Species, i, 446 ; 

 Cat. 57,* 30. 

 ? biguttata, Htg., Blattw., 313, 58. 



Black ; four apical segments of the antennae more or less, two large 

 spots above posterior coxa3, clypeus, labmm, base of mandibles and 

 palpi, clear white; the three middle segments of abdomen testaceous- 

 red. Legs pale red, coxa3, trochanters, posterior femora, the anterior 

 more or leas, at the base and the joints of posterior tarsi annulated 

 with black ; anterior femora at the apex, tibiae and tarsi livid white. 

 Mesonotum and pleura? punctured, opaque. Wings hyaline, costa and 

 stigma pale fuscous. 



The <J has the breast whitish-yellow the abdomen whitish yellow 

 beneath, with the first, second, eighth and ninth, and the base of the 

 others above black (teste Andre). 



Length 5 5f lines. 



The amount of black on the legs and the intensity 

 of the red colour on the legs and abdomen vary. 



Easily known by the short, rather thick antennas, 

 the ninth joint of which is white throughout, and by 

 the red band on the middle of the abdomen. 



Apparently a rare insect ; Stephens records it from 

 the London district. It does not occur in Scotland. 



Germany, France, Holland, Switzerland, Hungary,. 

 Russia are the continental countries from which it has. 

 been recorded, and it is rare everywhere. 



