1922.] 



137 



Emery, C, Beitrage ziir Monographie der Fonniciden des paUiai'kti.<clifn 



Fauuergebietes (Ilym.J, Teil viii. Ponerinae. 

 Sant.sohi, F. "NoLivelles Fourmis palearctiques." Bol. Real. Soc. Kspanola 



Hist. Nat. xxi, p. ICo (1921). 



" Duraiidesthorpe,'' 19 Hazlewell Road, 

 Putney Hill, S.W. 15. 



AN APHID GENUS AND SPECIES NEW TO JBPJTAIN 

 {TRTLOBAPHIS CARICIS). 



BY FEED. Y. THEOBALD, M.A. 



TujLOBArms, gen. nov. 



Head with three large lobes iu front; the median one almost globular 

 and slightly dorsal. Antennae very short, reaching to about the middle legs, 

 of six segments; the basal segment large, and \vith an inwardly projecting 

 blunt process. Proboscis short and thick. Cornicles long, thick, cylin- 

 drical, constricted at apex, slightly swollen on the inner side towards the 

 apex ; with marked imbrication ; about two-thirds the length of the antennae. 

 Cauda small, but prominent, about one-third the length of the cornicles, and 

 about the same width to slightly narrower. Anal plate bluntly triangulate. 

 Legs short, the hind pair not projecting beyond the apex of the body. Eyes 

 large, with prominent ocular process. 



Type in the writer's collection. 



Fig. 1. — Trilohaphis caricis, sp. nov 

 'A. Head of apterous viviparous $ ; B. Cauda and anal plate ; C. Cornicles. 



The apterous female stage only is known and is very marked, 

 owing to the peculiar structm-e of the head and the very marked large 

 cornicles. 



