LIST OF HOMOPTEHOUS INSECTS. 



Genus 6. RHIZOBIUS. 

 Rhizobius, Burm. Ilandb. Ent. ii. 1, 87. Hartig, Kalt. 



1. Bhizobids Pilosell,!:. 

 Rhizobius Pilosellse, Burm. Handb. Ent. ii. 1, 87, 1. Kalt. Mon. 



Pfian. 208, 1, f. 35. 

 Rhizobius, Amyot, Ann. Soc. Ent. Fr. 2me Sirie, v. 486, 540. 



Germany. 



2. Rhizobius Pini. 

 Rhizobius Pini, Burm. Ilandb. Ent. ii. 1, 87,2. Hartig, Furst. 



Conversat. Lexikon, 8, 31, 33. Germ. Ent. Zeit. iii. 363, pi. 1 , 



f. 11, 12. Kalt. Mon. Pflan. 208, 2. 

 Gennany. 



3. Rhizobius subtehkaneus. 

 Rhizobius subterraneus, Kalt. Mon. Pflan. 209, 3, f. 35. 

 Prussia. 



Genus 7. RHIZOTERUS. 



Rhizoterus, Hartig, Germ. Ent. Zeit. iii. 363. 

 Forda, Heyden, Kalt. 



1. RhIZOTEBUS VACCA. 



Rhizoterus vacca, Hartig, Germ. Ent. Zeit. iii. 363. 

 Foida formicaria, Heyden, Kalt. Mon. Pflan. 209, I, f. 33. 

 Forda, Amyot, Ann. Soc. Ent. Fr. 2me Sirie, v. 486, 54 1 . 



Very small, dull yellow from the head to more than half the 

 length, dull green and slightly decreasing in breadth from thence to 

 the tip of the abdomen, which is hardly convex, and has a rim on 

 each side : front hairy, convex : mouth pale yellow, with a black 

 tip, which appears just beyond the tip of the abdomen ; feelers and 

 legs slightly hairy: feelers clavate, much more than half the length 

 of the body, pale yellow, brown towards the tips ; first and second 

 joints short ; third very long ; fourth and fifth of moderate length ; 

 sixth short, dart-shaped, much narrower and shorter than the fifth. 

 On Sowthistle roots. Length of the body i line, or less. 



