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Uleiota dubia Ant Worker Morphology--head
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (S)
No Taxon scape
Explanation of Names
From Latin scapus, stem. Related to (or derived from?) Greek skapos, rod, shaft. English shaft is related via a common Indo-European origin (Internet searches).
Identification
1. scape noun - the basal (nearest the head, i.e., first) segment of the antenna.
Photos and diagrams showing the scape:

The first primary division or segment of the antenna; it articulates apically with the pedicel and basally with the torulus.

As related to Female Spiders:
2. scape noun - an elongated process of some epigyna, usually posteriorly directed.(1)
See Also
pedicel--second segment of antenna
Internet References
Works Cited
1.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.