Mesoletus | BRITISH ICHNEUMONS. 139 

(45). 30. 
(38). 31. 
(35). 32: 

Abdomen centrally broadly red or 
castaneous; basal flagellar joint 
slightly longer than second; areo- 
let always wanting. 
Face of Q black, at most with orbits 
narrowly pale. 
Radius apically straight ; radial cell 
short; wings not ample; apex of 
fourth segment black. 
. Scutellum and anus immaculate black 
. Scutellum and anus broadly rufescent 
. Radius apically curved; radial cell 
not short; wings ample; apex of 
fourth segment red. 
. Metanotal areola obsolete; anus en- 
. 17. HAMULUS, Grav. 
. Metanotal areola complete; anus en- 
tirely rufescent 
tirely black . 
. Face of 9 entirely pale, at most with 
a central black line. 
. Nervellus opposite; thorax distinctly 
ik i .. Ig. TENUIVENTRIS, Holmg. 
. Nervellus antefurcal; thorax normal. 
. Scutellum flavous; head slightly con- 
elongate 
stricted bebind 
. Scutellum black; head strongly con- 
stricted posteriorly. 
. Mesosternum immaculate black ; 
7 .. 21. SCAPULARIS, Stephens. 
. Mesosternum pale-marked ; radical 
radical callosities pale 
callosities not pale 
. Abdomen not red-marked, at most 
discally pale testaceous ; basal 
flagellar joint not longer than 
second ; areolet sometimes entire. 
. Speculum alutaceous throughout and 
very dull. 
. Hind coxae immaculate red, their 
a . 23. AULICUS, Grav. 
. Hindcoxae black, their tibiae immacu- 
tibiae broadly white 
late red 
. Speculum glabrous and very glit- 
tering. 
. Clypeus not broadly rounded through- 
out; body not strongly elongate. 
. Thorax normal, clypeus apically sin- 
uate or emarginate. 
. Apex of clypeus subnasutely produced, 
laterally subdilated; scutellum 
rarely red. 
. Sulcus and carinae of petiole obsolete. 
. Mesopleurae glabrous, strongly niti- 
dulous above. 
5. Venter black or nigrescent through- 
. 25. CALIGATUS, Grav. 
. Venter more or less broadly pale ; 
out; length 9 mm. or more 
length rarely up to 9 mm. 
7. Mesonotum broadly red; head pos- 
.. 26, VARIEGATUS, Yur. 
teriorly constricted 
. DORSALIS, Grav. 
. ELEGANS, Parf. 
eS 
Our 
18. IGNAVUS, Holmgr. 
20. ARMILLATORIUS, Grav. 
22. MOLESTUS, Holmgr. 
24. AXILLARIS, Szeph. 
