48 GENUS NEMATUS. 



Iceland, Spitzbergen, and Arctic North America, are 

 found on our highest mountain tops, but are very rare 

 in the South of Europe. 



Synopsis of Species. 



1 (4) Abdomen black, banded with red in the middle. 



2 (3) Pronotum and legs red. Lucidus. 



3 (2) Pronotum not red, legs black and white. Quercus group. 



4 (11) Abdomen black, white at the apex above. 



5 (6) Legs reddish, pronotum broadly- white above; antennas long, 



thin. Placidus. 



6 (5) Legs black and white, pronotum entirely black or but narrowly 



edged with white. 



7 (8) Clypeus incised, stigma white, antennae black. 



Thomsoni, apicalis. 



8 (7) Clypeus truncated, stigma testaceous. 



9 (10) Mesonotum smooth, shining, impunctate; antennae shorter than 



body, brownish beneath. Scoticus. 



10 (9) Mesonotum punctured, opaque or semi-opaque, antennas black. 



Mollis group. 



11 (4) Abdomen entirely black. 



12 (15) Legs reddish. 



13 (14) Length at least 5 lines, stigma black, pronotum entirely black. 



Crassus group. 



14 (13) Length not more than 2 lines, stigma and wings yellowish, 



pronotum lined with white. Rumicis, arcticus. 



15 (22) Legs testaceous. 



''16 (19) Pronotum entirely black. 



17 (18) Stigma fuscous, antennas compressed. Compressicornis. 



18 (17) Stigma testaceous, antennae long and filiform. Fulvipes. 



19 (16) Pronotum lined with white. 



20 (21) Stigma fuscous, white at base, Cinerece, gallicola. 



21 (20) Stigma white entirely, or bordered with fuscous beneath. 



Vacciniellus, leucostigmus. 



22 (23) Legs testaceous and white, stigma testaceous, pronotum lined 



with white. Appendiculatus, oblongus. 



23 (24) Legs white, stigma pallid fuscous, length 1^ lines. 



Albicarpus, baccarum. 



24 (23) Legs with the femora more or less black. 



25 (37) Pronotum entirely black. 



26 (27) Tibiae black. Abbreviate. 



27 (26) Tibiae white. 



28 (31) Antennas brownish beneath. 



29 (30) Stigma fuscous, wings fuscous in the middle. Ruficornis. 



30 (29) Stigma black, wings hyaline. Fletcheri, nigricollis. 



31 (28) Antennae quite black. 



32 (33) Tegulae black, length 2| lines. Puncticeps. 



33 (32) Tegulae white. 



34 (35) Stigma fuscous. Funerulus, hibernicus, crassispina. 



35 (36) Stigma fuscous, white at the base. Bridgmani. 



36 (35) Stigma white or yellowish white. Herbacete. 



37 (25) Pronotum lined with white. 



