104 TENTHEEDOPSIS CORDATA. 



1. TENTHEEDOPSIS COEDATA. 

 PL XVI, fig. 4 and 8, Saw. ; PL VIII, fig. 9, ? . 



Tenthredo cordata, Fourc., I. P., ii, 15. 



dimidiata, Fab., S. P., 42, 61 ; Lep., Mon., 83, 244, 



F. Fr.,pl. 4, fig. 2 ; Ste., 111., vii, 

 79, 21. 



instabilis, var. dimidiata, Kl., Berl. Mag., viii, 198, 



142; Htg., Blattw., 308, 37; 

 Evers., Bull. Mosc., xx, 49, 22. 



coquebertii, Klug, Berl. Mag., viii, 202, 147. 

 analis, Ste., 111., vii, 80, 22. 



Perineura nassata, Thorns., Opus., 301, 1; Hym. Sc., i, 265; 



Cam., Fauna, 14, 1; 51. 



cordata, Andre, Species, i, 431, Cat., 54,* 36. 

 Tenthredopsis cordatus, Cam., Tr., Ent. Soc., 1881, 566. 



Black, smooth, shining; mouth, scutellum, two spots behind and 

 cenchri white ; legs and three to five apical segments of abdomen red ; 

 coxae, trochanters, and base of femora black ; posterior tarsi marked 

 with black ; the apices of the joints occasionally pale. Wings hyaline, 

 costa fuscous, stigma darker, white at base ; antennas pitchy beneath. 



The $ has the abdomen red or testaceous red, except the two basal 

 segments above; the hinder femora and the tibiae black, as well as the 

 metatarsus, the second, third, and fourth joints of tarsi being whitish ; 

 the last abdominal segment rounded, emarginated in the middle, and 

 with two distinct depressions above. 

 Ab. a. Scutellar spots black. 

 b. Inner orbits of eyes white. 



Length 6 7 lines. 



A tolerably common and widely distributed species. 

 Clydesdale, Polmont, Kinguissie, Manchester, Glou- 

 cester, London district, Norwich. 



Continental distribution : Sweden, Russia, Germany, 

 Holland, France, Switzerland, Italy. 



2. TENTHREDOPSIS MIOEOCEPHALA. 

 PI. XVI, fig. 5, Saw. 



Tenthredo microcephala, Lep., F. Fr., pi. 4, fig. 1 ; Mon., 80, 238 ; 



Ste., 111., vii, 78, 18 ; Andre, 

 Species, i, 439, Cat., 55,* 1. 



orbitalis, Dietrich, Mitth. Schw. Ent., 1868, 354 



(1868). 



Tenthredopsis microcephalus , Cam., Tr. Ent. Soc., 1881, 566. 



Black, smooth, shining ; labrum, clypeus, mandibles, inner orbits of the 

 eyes, scutellum, two spots behind, and cenchri white; legs pale red; the 



