genera and species of the group of Psyllidce. 453 



margin, terminating a little before the inner nerve of the 

 dorsal fork, in which are three white or pale spots en- 

 circling the nerves of the furcations of the cubitus. 



2 . Abdomen black ; posterior margin of the seg- 

 ments narrowly red ; genitalia broken off, except a small 

 portion of the base, so that it is impossible to determine 

 the length of the plates. The abdomen is also very much 

 shrivelled. Length, 4 lines nearly (Paris). 



Locality unknown. 



There is only a single specimen. 



Phytolyma,* n. g. 



Caput : vertex oblongus, transversus, deplanatus, 

 margine posteriore angulato, anteriore bilobo. Lobi 

 faciales breves, lunati, seu tasniiformes. Antenna breves, 

 clavatse ; articuli primus et secundus crassi, ille hoc 

 multo longior. Oculi laterales, a fronte visi semiglobosi. 

 Thorax : pronotum capiti una cum oculis latitudine 

 sequale, in medio latissimum. Mesonotum longitudi- 

 naliter planiusculum, transverse convexiusculum, apud 

 elytrorum insertionem latissimum ; dorsulum trans- 

 versum, plus minus semisexangulum. Elytra elongata, 

 apice rotundata ; stigma prod"uctum ; radius apice ipso 

 vel prope apicem terminatus ; cubitus petiolatus ; furca 

 superior elongata, angusta, elytri saltem trientem longi- 

 tudine adsequans ; furcse inferioris brachium petiolo 

 brevius ; furca inferior elongata : distantia inter ramorum 

 apices major quam in furca superiore. Abdomen plus 

 minus obesum. 



Head : crown oblong, transverse, flat ; posterior mar- 

 gin angulate ; anterior margin bilobate. Face lobes 

 short, lunate, or ribbon-shaped. Antennae short, clavate : 

 1st and 2nd joints stout, the former much longer than 

 the latter. Eyes placed on the side of the head, viewed 

 from in front hemisphericaL Thorax : pronotum as 

 wide as the head and eyes together, broadest in the 

 middle ; mesonotum flattish longitudinally, slightly con- 

 vex transversely ; greatest width across the insertion of 

 the elytra ; dorsulum transverse, more or less semi- 

 hexagonal. Elytra elongate, rounded at the apex ; 



* (pvTov, a plant ; ^t^/xu, injury. 



