OF THE HIND WINGS OF HYMENOPTEROUS INSECTS. 
127 
EuMENIDjE. 
Rhynchium 
Odynerus, fig. 42 . . . 
ScOLIADiE. 
Scolia, fig. 29 • . . . 
SPHEGID^E. 
Chlorion (2 species), fig. 33 
Nyssonid^e. 
i 
Stizus, fig. 36 
Gorytes mystaceus, fig. 37 
Gorytes Natalensis, fig. 38 
Lajmmdje. 
Astata Boopsff, fig. 35 . 
THYNNIDiE. 
Thymus, fig. 27 ... 
I Costal nerve branching at the re-junction. 
'Distal hooks commencing on the re-junction. 
Costal nerve branching after the re-junction. 
Distal hooks commencing after branching. 
Lower branch of costal nerve branching before the re-junction 
Distal hooks commencing on the re-junction. 
Costal nerve branching at the re-junction. 
Distal hooks commencing after the re-junction. 
Anal nervure enlarged at the base as if to branch, but not actually 
branching. 
B. Upper branch of the costal nerve marginal, but ceasing before the centre, or becoming very 
thin. Lower branch rising to the margin (or nearly so) about the centre of the wing. 
ICHNEUMONIDJS. 
Ophion obscuruSy fig. 17. 
Ophion combustus *. 
Ophion (N. America) *. 
Paniscus inquinatus t • 
Paniscus (England), fig. 19 
Paniscus glaucopterus . 
Pimpla varicornis ft • • 
Pimpla Turionella-W . . 
Pimpla (N. America) * . 
Pimpla (England)*, fig. 20 
Tryphon * 
1 End of upper branch of costal nerve very distinct. 
End of upper branch of costal nerve very indistinct. 
1 
Membran 
f hooks are situated, but very narrow. 
Has several large and strong hairs irregularly placed near base 
Ephialtes * 
ed 
regular 
On membrane 
as above. 
Rhyssa *. 
Osprynchotusf 
Membrane of wing appearing above distal hooks. There is a 
curious appendage (22 a) on costal nerve at base in both speci- 
mens ; it may be accidental, and the nerve certainly is torn, but I 
think it is worth looking at more specimens for. 
Membrane of wing appearing above the distal hooks ; wing brown 
Winy 
Osprynchot 
Mesostenus f 
Crypttis, (1) i 
and veining, and in having two clear, colourless spots m the same 
situation. The chief difference is between t and *. 
Membrane of wing appearing above the distal hooks 
Membrane of wir 
very distinct. 
Upper margin of wing turned 
tt A short or faint branch from the base of the anal 
t 
nervure 
* A 
nervure 
