514 



ichm:um()Nii).i;. 



Genus DIAPARSIS. horsf. 



Dktpursi.t, Fortiter, \'evli. pr. liheinl. 18()cS p. 141I. 

 Difiparsux, Tlioinsoii, Ojiiisc. Miit. xiii. 18S<», p. l;5ti!». 



Genotype, Ophion jiutriior, !•'. 



Head a little constvicted behind Uie eyes, with the vertex not 

 smooth ; frons usually trausversely elevated ; cheeks not very 

 short; face strongly transverse. Antenntc of 5 with at least 

 twenty flagellar joints, of \\ hich the first is generally longer than 

 the second, and not or hardly transverse. Thoracic notauli short 

 but distinct; metanotuni v\itli the basal area not short and very 

 rarely with a basal carina ; sternanli always distinct, though 

 occasionally abbreviated. Abdomen with tlie second segment 

 longer than broad, and the first not often strongly convex ; 

 terebra exserted and usually elongate ; thyridii elongately ti'ian- 

 gular. Calcaria not very small. AVings with the lower angle of 

 the brachial cell entire ; apical abscissa of radius not deflexed,. 

 and always at least twice the length of the basal. 



lianr/c. Europe, Assam. 



Ko example of this genus has hitherto been noticed outside 

 Europe, for which the inconspicuous size of its species probably 

 accounts. 



405. Diaparsis caudata, sp, n. 



5. Head distinctly broader than the thorax and subbuccate 

 above ; frons broad and eyes not large ; clypeus discrete and 

 apically rounded ; mandibles stout and red. Antmnce black.. 



not reaching beyond the meta- 

 thorax, with ahout t\\"enty-six well 

 discrete flagellar joints ; scape 

 rufescent beneath. Thorax dull 

 and ttnely pilose ; sternauli elongate 

 and deeply impressed; metathorax 

 elongate and not rugulose, with no 

 carina at the basal area ; petiolar 

 area slightly longer than half the 

 metathorax, and basallj strongly 

 carinate throughout : spiracles 

 circular and someA^liat remote 

 from the pleural carina. Scntelhun 

 black and convex. Ahdovieu bright 

 red, with the spiral valvula^, the 

 basal segment, and tlie extreme 

 base and apex of the second in- 

 yv^A:M.—l)((iinir!<i.<r(uid(da,'^loY\. definitely, black; basal segment 



intumescent from beyond centre to 

 apex, with the sj)iracles beyond centre and not prominent : 

 terebra straight, sinuate only at its extreme apex, and fully :is 

 long as the body. I'f'js red and not stout, with the hind cox:i\ 



