258 HOPLOCAMPA TESTUDINEA. 



some at least of the larvae differ from them, and 

 agree with the Nematides in haying only twenty feet. 



The genus would appear to be confined to Europe 

 and North America. Ten species have been recorded 

 from the former and five from the latter region. 



Synopsis of Species. 



1 (8) Body yellow on the underside. 



'2 (3) Meso-metanotum and dorsum of abdomen black. Testudinea. 



3 (2) Mesonotum and abdomen for the greater part yellow. 



4 (5) Mesonotum reddish, punctured; wings with a fuscous cloud. 



Ferruginea. 



5 (4) Mesonotum unpunctured ; wings unclouded. 



6 (7) Yellow ; base of abdomen black ; wings hyaline ; stigma yellow ; 



(^ dorsum of abdomen black. Cratcegi. 



7 (6) Pallid-testaceous, without black ; wings lacteous, stigma white. 



$ immaculate. Alpina. 



8 (1) Body more or less black on underside. 



9 (12) Pleurae testaceous or luteous. 



10 (11) Pale testaceous ; antennae testaceous. Gallicola. 



11 (10) Luteous ; antennae black. Pectoralis. 



12 (9) Pleurse black. 



13 (14) Belly testaceous ; antennae and collar black. Chrysorrhcea. 



14 (13) Belly black ; antennae and edge of collar testaceous. 



BMtilicornis. 



1. HOPLOCAMPA TESTUDINEA. 



Tenthredo testudinea, Klug, Berl. Mag., viii, 60, 30; Htg., 



Blattw, 277, 37. 



Selandria testudinea, Ste., III., vii, 47, 10 ; West., Gard. Chron., 



1848, 851; Ent. Ann., 1862, 

 134. 



Hoplocampa testudinea, Thorns., Opus., 277, 1 ; Hym. Scand., i, 



200, 1 ; Kalt., Pfl., 201 ; Tasch., 

 Ent. f. Gart., 157; Andre, 

 Species, i, 327 ; Cat., 41,* 8. 



Reddish-yellow, a large spot on the vertex, meso- and metanotum 

 and abdomen above with the sheath black; the middle joints of 

 antennae fuscous above. Wings hyaline ; stigma and nervures at base 

 blackish ; apex of stigma yellow. The vertex and mesonotum are finely 

 punctured, almost shining. 



Length 3 lines. 



The largest of the species of Hoplocampa. It is 

 most nearly related to H. brevis, Klug, which, however, 

 is smaller by a line ; the mesonotum is spotted with 



