W. L. Brown, Jr.
The Synonymy and Relationships of the Ant Pseudolasius bayoni Menozzi.
Psyche 63(4):146, 1956.

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146 Psyche 'December
THE SYNONYMY AND RELATIONSHIPS OF THE ANT PSEU- DOLASIUS BAYONI MEN,OZZI. - The synonymy is as follows: Pseudolasius Bayonii Menozzi, 1924, Ann. Mus. Civ. Stor. Nat. Geneva, 51:224, figs. 5, 6, worker max. Type loc. : Bugala, Sesse I., Victoria Nyanza. Pseudolasins bayoni, Menozzi, 1932, ibid., 56:115, worker min. from type collection.
Pseudolasius myersi Weber, 1943, Bull. Mus. Comp. Zool., 93:389, pi. 16, fig. 35, worker. Type loc.: Lotti Forest, w. slope Imatong Mts., Equatoria, Sudan. New synonymy.
Pseudolasiiis myersi occipitcdis Weber, 1950, Amer. Mus. Novit., 1443:2; figs. 1-18, workers max., min., larva, egg, polymorphism, biology. Type loc. : Busnia, Uganda. New synonymy.
When Weber described myersi and occipitalis, he was unaware of Menozzi's bay& descriptions of 1924 and 1932, as is shown by his omission of this name from his list of the African Pseudolasius. Two minor workers from the bayoni type nest series have now been compared with two syntypes of myersi in the Museum of Compara- tive Zoology, and agreement is good. The race occipitalis appears from the description to be nothing more than the major worker of the same species. P. bayom normally has six mandibular teeth counting the large apical tooth. Menozzi counted five teeth, but may have excluded the apical. Some specimens, especially in a series from near Epulu, Belgian Congo (T. Gregg), tend to have a small seventh offset tooth developed near the basal angle. The related P. gowdeyi Wheeler is larger and usually has five mandibular teeth, although occasionally a minute sixth intercalary or basal tooth is present. - W. L. BROWN, JR., Museum of Comparative Zoology, Harvard University.



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