410 CATALOGUE OF 



GemisSl. BALSA. 



Corpus fusifdrme, dense puiictatum. Caput lanceolatum ; lobi latevales 

 lobum medium longe superantes, apice disjuncti. Rostrum coxas posticas 

 attingeus. Anteuua; graciles. Thorax laleribus anticis crenatis, angulis 

 posticis subobtusis. Scutellum alleuuatum. Pectus vix cariuatum. Pedes 

 gracillimi, longiusculi ; tibiae sulcalse; tarsi Iriurticulati. 



Body fusiform, tbickly and minutely punctured. Head bniceobile; 

 lateral lobes extending very much beyond the middle lobe, separate at the 

 tips. Rostrum extending to the hind coxa;. AntenuEe slender ; first joint 

 much shorter than the anterior part of ihe head. Thorax with the sides 

 crenated in front; bind angles slightly obtuse and prominent. Sculellum 

 attenuated towards the lip. Pectoral keel extremely slight. Legs very 

 slender, rather long; tibite furrowed ; tarsi three-jointed. 



It has most affinity to Arvelius, from which it is sufBciently dis- 

 tinguished by the want of a ventral spine. 



1. Balsa extenuata. 



Testacea ; caput liluri.i duabiis posticis glabris ; thorax latcrihus anticis 

 nigris, lituris duabus posticis glabris arcuatis ; scutethim basi nigra 

 bipunctalum ; venter vitla maculari nigra ; femora nigra subcon- 

 spersa; membrana limpida. 



Testaceous, paler beneath. Head with a smooth space on each side 

 of the hind border. Rostrum with a black tip. Thorax with a curved 

 smooth mark on each side of the hind border; sides black in front. Scu- 

 tellum with a black point on each side at the base. Abdomen beneath 

 with a stripe of black spots. Femora slightly speckled with black. Mem- 

 brane of the fore wings pellucid. Length of the body 6\ lines. 



a. North China. From Mr. Fortune's collection. 



Fam. 13. UROSTYLIDiE, C. H. 313. 

 Genus 1. UROCHELA, C. II. 313. 



1. Urochela bimaculata, C. //. 313. 

 a. N. Hindostan. From Capt. Boys' collection. 



2. UUOCHELA OBSCURA, C. H. 314. 



a, h. Hindostan. From Mr. Children's collection. 

 c — e. ? Presented by Gen. Hardwicke. 



3. Urochela quadripunctata. 

 quadripunctata, Dallas, Trans. Ent. Soc. New Ser. i. 3, pi. 2, f. 1, 

 Hindostan. 



