. Elementary entomology . Fig. 417. A mud-dauber {Pelopacm cemefiiarius) (After S. J. Hunter) The nests are composed of sev- eral tubes placed side by side, each of which is provisioned with spiders. They may be seen around pools, collecting mud for their nests, and jerking their wings from side to side â in a nervous manner. A nearly related family {Bem- becidac), which burrows in the sand and provisions its nests with flies and similar insects, includes the large cicada-killer. This is

---

Size: 2029px × 2464px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912