GENUS NEMATUS. 49 



38 (39) Stigma white, eyes broadly surrounded with brown. 



Vacciniellus, alienatus. 



39 (40) Stigma fuscous, white at the base, femora black, except at apex 



and extreme base. Nigrolineatus. 



40 (39) Stigma yellowish-white, fuscous at apex, femora testaceous, 



lined towards the middle with black. Ischnocerus. 



41 (52) Abdomen green or lacteous at the sides, and beneath, stigma 



white or green. 



42 (51) Mesonotum entirely black. 



43 (48) Mesopleura black. 



44 (45) Femora more or less black. Obductus, conductus. 



45 (44) Femora entirely green or white. 



46 (47) Stigma, clypeus, and metapleura white. Pulchellus. 



47 (46) Stigma livid, clypeus and metapleura black. Leucogaster, 



48 (43) Mesopleura greenish. 



49 (50) Sternum black. Maculiger. 



50 (49) Sternum not black. Orbitalis, lacteus. 



51 (42) Mesonotum with three or more black marks. 



Humeralis, fallax, caprete group . 



52 (53) Abdomen greenish, marked with black at base, or more or less 



in centre of back, stigma white or green. Mesonotum with 

 three or more black marks, pleurae and sternum green. 



Miliaris group (except lacteus, maculiger, and orbitalis). 



53 (56) Abdomen testaceous at the sides and beneath. 



54 (55) Mesonotum entirely black. Consobrinus, strongylogaster. 



55 (54) Mesonotum with three or more black marks. 



Turgidus, caprece. 



56 (63) Abdomen yellow, a black band down the centre. 



57 (60) Stigma yellow or testaceous, legs yellow. 



58 (59) Length 2^ lines, antennas short, thick. Pineti, vesicator. 



59 (58) Length over 3 lines, antennae long. Myosotidis, miniatus. 



60 (57) Stigma black. 



61 (62) Clypeus truncated, the band narrow, pleurae partly yellow. 



Conjugate*. 



62 (61) Clypeus incised, the band not very narrow, pleurae entirely 



black. Pallidiventris. 



63 (56 ) Abdomen entirely yellow or reddish, except at extreme base. 



64 (75) Meso- and metanotum entirely black. 



65 (66) Clypeus truncated, stigma black, legs yellow. Betulce group. 



66 (65) Clypeus incised. 



67 (70) Stigma black. 



68 (69) Pleurae entirely black, legs with the tibiae white, the knees 



black. Pallidiventris var. 



69 (68) Pleurae yellow. Solids, melanocephalus. 



70 (67) Stigma yellowish or testaceous. 



71 (72) Scutellum punctured. Albipennis, xanthog 'aster. 



72 (71) Scutellum impunctate. 



73 (74) Wings deep fuscous, stigma black at base, ovipositor long. 



Abdominalis. 



74 (73) Wings hyaline, stigma not black at the base, ovipositor short. 



Monticola, pavidus, myosotidis var., togatus, vesicator. 



75 (83) Mesonotum with two or more black marks. 



76 (77) Stigma black at the base, ovipositor long. 



Caledonicus, bilineatus. 



77 (80) Stigma entirely yellow or testaceous. 



VOL. II. 4 



