Proceedings of the United States National Museum . ^ would have been to groupthe species examined on larval characters only, ignoring the relation-ships indicated by the Department of Agricultures synopticcatalog. This has been done to a very limited extent. For example 482 PROCEEDINGS OF THE NATIONAL MUSEUM. —;;-4,-Ts—o-i- Figure 50,—Ophioninae:CampoplegIni, head sclerites: a, Pyracmon xanthognatha (Rohwer);B, Campoplex validus (Cresson); c, XantJiocampoplex nigroviaculatus (Cameron). (1,antenna; 2, spiracle; 3, skin.) ICHNEUMONID FINAL INSTAR LARVAE—SHORT 483

---

Size: 1080px × 2314px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience