Pheidole heyeri

Nothing is known about the biology of heyeri.

Identification
See the description in the nomenclature section.

Distribution
São Paulo and Rio Grande do Sul states, Brazil. (Wilson 2003)

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil.

Nomenclature

 *  heyeri. Pheidole guilelmimuelleri var. heyeri Forel, 1899c: 71 (footnote) (s.w.) BRAZIL. Raised to species and senior synonym of ultrix: Wilson, 2003: 706. See also: Forel, 1911c: 302; Forel, 1912f: 321.
 * ultrix. Pheidole guilelmimuelleri var. ultrix Forel, 1912f: 221 (s.) BRAZIL. Junior synonym of heyeri: Wilson, 2003: 706.

Description
DIAGNOSIS From Wilson (2003): Similar especially to Pheidole antillana of the Lesser Antilles, but differing in the following combination of traits.

Major: shallow scrobes, whose surfaces lack sculpturing; small rugoreticula present mesad to the eyes and on the dorsal pronotal margins; dorsal surface of occiput mostly smooth but with scattered foveae; mesonotal convexity subangulate; postpetiole strongly cornulate.

Minor: occiput and lateral posterior quarters of cephalic dorsum transversely carinulate; humerus subangulate in dorsal-oblique view; most of promesonotum rugulose, with margins loosely rugoreticulate. Color of major and minor: reddish yellow.

MEASUREMENTS (mm) Lectotype major: HW 2.02, HL 2.16, SL 0.90, EL 0.22, PW 0.82. Paralectotype minor: HW 0.82, HL 0.86, SL 0.92, EL 0.14, PW 0.54.

COLOR Major: body medium reddish yellow, appendages light reddish yellow.

Minor: body dark reddish yellow, appendages light reddish yellow.



'''Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.'''

Type Material
- as reported in Wilson (2003)

Type Locality Information
BRAZIL: São Leopoldo, Rio Grande do Sul. (Wilson 2003)

Etymology
Eponymous. (Wilson 2003)

Additional References
Forel, A. 1911. Ameisen des Herrn Prof. v. Ihering aus Brasilien (São Paulo usw.) nebst einigen anderen aus Südamerika und Afrika (Hym.). Dtsch. Entomol. Z. 1911: 285–312.

Text and images from this publication used by permission of the author.