7(12 FA:\[ri.Y XXXVII. ELAl'EHlIUi. 



f. Tucler side of thorax with aiitennal grooves usually sharply limited, 

 and close to the lateral margin. 

 a. Prosternal sutures strongly curved; length 0-9 mm. 



III. Stethon. 



dd. Prosternal sutures straight. 



e. Antennal grooves continuing directly from the thorax to the 

 head. 

 /. Metasternum with a fine groove, limited by finely elevated 

 lines, prolonged backward from the outer side of the mid- 

 dle coxffl ; length 6 mm. Eucnemis. 

 ff. Metasternum without groove. 



g. Antennal grooves of thorax wide, usually wider behind; 



length 3-5 mm. IV. Deltometopus. 



,(///. Antennal grooves narrow, not wider behind; length .5.5- 



8.5 mm. V. Dbom-Eolvs. 



<■<■. Antennal grooves more or less interrupted by the e.ves ; antenna; 



slender; fourth joint of tarsi emarginate and slightly lobed 



beneath ; length 7-17 mm. VI. Fobnax. 



IT. Under side of thorax without iiiiivijiiial antennal grooves. 



h. Antennal grooves present on under side of thorax close to suture; 

 side margin of thorax formed by two finely elevated lines, the 

 one starting from the front margin and prolonged backward, the 

 other from the hind angles ln'cuniiiig inferior. 

 /'. Antennal grooves near the suture very short, merely slightly in- 

 dicated in front ; length 3.5—1 mm. Adelotiiyreus. 

 //. Antennal grooves near the suture entire; length :'.-(; mm. 



j. Second joint of antennte alone small. YII. MicKOKHAcrs. 



,/./. Joints two and three of antennic small, moniliform. 



ENTOMOPHTHAI.Mrs. 



hh. Under side of thorax without antennal grooves; side margin of 

 thorax single or sometimes nearly obsolete. 

 7i-. Hind coxal plates either parallel or wider on tlie outer side. 

 /. Antennae slender, filiform, the third joint much longer than 

 second ; length S-0 mm. VIII. Hylochaees. 



U. Antenna; biserrate in the female, bipectinate in male; length 

 G-5 mm. Saepedon. 



A/,-. Hind coxal plates narrower on the outer side. 

 )/(. JIandiblcs stout, rugose. 



n. Last ventral segment prolonged in a point ; length 6-0 mm. 



IX, Nematodes. 

 nil. Last ventral segment obtuse at tip; length 4-5.5 mm. 



X. IlYPoccEt.rs. 

 nun. Mandibles slender, not rugose; side margins of thorax distinct. 



o. Cl.vpeus very deeply sinuate each side, so as to appear tri- 



lobed; length s nun. XI. Schizophilvs. 



no. i 'lypeus reg\ilarly curved in front ; coxal plates gradually 



liroader on inner side; last three joints of antennre ab- 



i-uptly longer; length 9.5-11 mm. XII. Phlegon. 



