GENUS LOPHYRUS. 73 



Genus LOPHYEUS . 



Lopliyrus, Latr., Hist. Nat. Crust. Ins., iii, 302. 

 Diprion (part), Schrank, Fauna Boica, ii, pt. 2, p. 252. 



Synopsis of Species. 



Females. . 



1 (2) Antennae 23-jointed. Head, thorax, abdomen and legs, red ; 



metathorax and base of abdomen black. Sertiferus. 



2 (1) Antenna 19 20-jointed. Head and thorax more or less 



black. 



3 (4) Seventh segment deeply incised in front of saw. Antennae 



19 20-jointed, femora more or less black, head black. 



Pini. 



4 (3) Seventh ventral segment not incised in the middle, antennas 



18 19-jointed, femora not marked with black. 



5 (6) Antennas 19-jointed, head entirely black, thorax (and head) 



strongly punctured. Variegatus. 



6 (5) Antennae 18-jointed. 



7 (8) Calcaria simple, meso-metanotum and back of abdomen, black, 



head entirely black. Pallipes. 



8 (7) Calcaria dilated, head and thorax testaceous, marked with 



black. 



9 (10) A fascia across the vertex, mesosternum broadly black, abdo- 



men testaceous, with black transverse bands on the back. 



Virens. 



10 (9) No fascia across vertex, mesosternum without black, dorsum of 

 abdomen entirely black. Dorsatus. 



Males. 



1 (2) Antennae 23-jointed, legs and ventral surface in middle red, 



thorax and abdomen smooth, shining, iinpunctate. 



Sertiferus. 



2 (1) Antennae not 23-jointed, thorax punctured. 



3 (4) Femora, coxae and trochanters, black. Stigma piceous, black 



at base. Pini. 



4 (3) Coxae and trochanters partly, and femora entirely, testaceous. 



5 (6) Accessory nervure appendiculated close to the apex, antennae 



18-jointed, abdomen testaceous. Pallipes. 



6 (5) Accessory nervure appendiculated a little beyond the middle, 



abdomen reddish. 



7 (8) Pronotum and mouth entirely black. Variegatus. 



8 (9) Pronotum not entirely black. 



9 (10) Pronotum almost entirely yellow, antennae 21 -jointed. Virens. 

 10 (9) Pronotum with only a narrow testaceous line, antennae 17 



20-jointed. Dorsatus. 



