Araeoschizus

There are 47 species in this myrmecophilous genus of Tenebrionidae. Most are assumed to be inquilines in the nest of ants but their biology is relatively unknown and their relationships with ants is still a mystery.

Species List

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  Group I: The armatus Horn (1870) complex

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  Group II: The hardyi Papp (1981) complex

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  Group III: The limbatus Blaisdell (1943) complex

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  Group IV: The regularis Horn (1870) complex

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  Group V: The costipennis LeConte (1851) complex

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  Group VI: The simplex Casey (1890) complex

List of Araeoschizus and their Host Ants

Genus and species	Author and Year	Ant Host	Distribution	Notes
Araeoschizus aalbui	Papp, 1981	ants	Mexico, Baja California (type)	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus airmeti	Tanner, 1945	Aphaenogaster, Pheidole oregonica, Pogonomyrmex salinus, Veromessor lariversi	Idaho (type), Oregon, Nevada	Group I: The armatus Horn (1870) complex
Araeoschizus alinae	Dajoz, 1984	ants	Utah, Grand County	Group V: The costipennis LeConte (1851) complex
Araeoschizus andrewsi	Papp, 1981	ants	California (type)	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus antennatus	Blaisdell, 1943	Neivamyrmex nigrescens , Pheidole grallipes	Mexico: Baja California	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus apachensis	Papp, 1981	ants	Arizona, Apache County (type)	Group V: The costipennis LeConte (1851) complex
Araeoschizus arizonicus	Dajoz, 1989	ants	Arizona	Group V: The costipennis LeConte (1851) complex:
Araeoschizus armatus	Horn, 1870	Pogonomyrmex salinus	California (type), Idaho, Nevada	Group I: The armatus Horn (1870) complex
Araeoschizus colossalis	Papp, 1981	ants	Arizona (type)	Group IV: The regularis Horn (1870) complex
Araeoschizus costipennis	LeConte, 1851	ants	California	Group V: The costipennis LeConte (1851) complex
Araeoschizus decipiens	Horn, 1890	Novomessor cockerelli, Myrmecocystus depilis, Pogonomyrmex rugosus, Solenopsis xyloni, Pheidole desertorum, Pheidole xerophila	Arizona, Colorado, New Mexico, Texas, Utah; Mexico	Group V: The costipennis LeConte (1851) complex
Araeoschizus disjunctus	Papp, 1981	Pheidole hyatti, Pogonomyrmex barbatus	California	Group IV: The regularis Horn (1870) complex
Araeoschizus dolenterus	Papp, 1981	ants	Mexico	Group IV: The regularis Horn (1870) complex
Araeoschizus doyeni	Papp, 1981	ants	California: Riverside County	Group V: The costipennis LeConte (1851) complex
Araeoschizus duplicatus	Casey, 1907	Pogonomyrmex occidentalis	Idaho, Wyoming (type)	Group I: The armatus Horn (1870) complex
Araeoschizus elegantulus	Papp, 1981	ants	Mexico: Baja California Sur	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus exiguus	Casey, 1907	ants	California	Group V: The costipennis LeConte (1851) complex
Araeoschizus expeditionis	Papp, 1981	ants	Mexico	Group IV: The regularis Horn (1870) complex
Araeoschizus fimbriatus	Casey, 1890	ants	Arizona	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus giuliani	Papp, 1981	ants	Mexico	Group VI: The simplex Casey (1890) complex
Araeoschizus hardyi	Papp, 1981	ants	California (type)	Group II: The hardyi Papp (1981) complex
Araeoschizus hardyorum	Papp, 1981	ants	Utah	Group VI: The simplex Casey (1890) complex
Araeoschizus hystrix	Papp, 1981	ants	Arizona, California	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus interjectus	Papp, 1981	Pheidole hyatti	Mexico: Baja California Sur	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus kaszabi	Papp, 1981	ants	California	Group VI: The simplex Casey (1890) complex
Araeoschizus kubai	Papp, 1981	ants	Arizona: Pima County	Group VI: The simplex Casey (1890) complex
Araeoschizus lariversi	Papp, 1981	ants	California (type)	Group I: The armatus Horn (1870) complex
Araeoschizus lecontei	Papp, 1981	ants	Arizona: Cochise County (type)	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus limbatus	Blaisdell, 1943	ants	Mexico (type)	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus magdae	Papp, 1989	ants	Mexico	Group VI: The simplex Casey (1890) complex
Araeoschizus mexicanus	Champion, 1892	ants	Mexico (type))	Group IV: The regularis Horn (1870) complex
Araeoschizus microcephalus	Papp, 1981	ants	California	Group V: The costipennis LeConte (1851) complex
Araeoschizus orientalis	Dajoz, 1991	ants	Texas: Val Verde County	Group VI: The simplex Casey (1890) complex
Araeoschizus percellosus	Papp, 1981	ants	Mexico, Baja Californis (type)	Group II: The hardyi Papp (1981) complex
Araeoschizus problematicus	Papp, 1981	ants	Mexico: Zacatecas Province	Group VI: The simplex Casey (1890) complex
Araeoschizus regularis	Horn, 1870	Aphaenogaster, Pheidole vistana	Arizona, Mexico	Group IV: The regularis Horn (1870) complex
Araeoschizus rufus	Dajoz, 1991	ants	California:Mono County	Possible synonym of Araeoschizus armatus
Araeoschizus setosiformis	Papp, 1981	Pogonomyrmex	Utah	Group V: The costipennis LeConte (1851) complex
Araeoschizus similaris	Papp, 1981	ants	New Mexico	Group V: The costipennis LeConte (1851) complex
Araeoschizus simplex	Casey, 1890	ants	Texas: Presidio County, New Mexico, Arizona; Mexico	Group VI: The simplex Casey (1890) complex
Araeoschizus simulans	Casey, 1907	ants	California	Group IV: The regularis Horn (1870) complex
Araeoschizus squamulissimus	Papp, 1981	ants	Mexico: Baja California	Group III: The limbatus Blaisdell (1943) complex
Araeoschizus sulcicollis	Horn, 1870	Pogonomyrmex barbatus, Pogonomyrmex occidentalis, Pheidole bicarinata, Pheidole hyatti	California, Nevada	Group IV: The regularis Horn (1870) complex
Araeoschizus tenuis	Casey, 1907	ants	Arizona	Group V: The costipennis LeConte (1851) complex
Araeoschizus texanus	Dajoz, 1989	ants	Texas: Brewster County	Group VI: The simplex Casey (1890) complex
Araeoschizus utahensis	Papp, 1981	ants	Utah:San Juan County	Group V: The costipennis LeConte (1851) complex
Araeoschizus wasbauerorum	Papp, 1981	ants	Mexico	Group III: The limbatus Blaisdell (1943) complex

REFERENCES

• Andrews, F.G., A.L. Hardy and D. Giuliani: 1979. The Coleopterous Fauna of Selected California Sand Dunes. -- California Dept. of Food and Agric., Insect Taxonomy Lab., 142 pp., 21 figs.

• Blaisdell, R.E.: 1943. Contribution Toward the Knowledge of the Insect Fauna of Lower California. No. 7 Coleoptera, Tenebrionidae. -- Proc. Calif. Acad. Sci., 24:171-288, p1. 10 and 11 (pp. 214-216, p1. 11).

• Casey, T.L.: 1890. Coleopterological Notices, II. -- Ann. New York Acad. Sci., 5:307-504 (pp. 368-370).

• Casey, T.L. 1907. Revision of the North American components of the Tenebrionid subfamily Tentyriinae. Proc. Washington Acad. Sci., 9:275-522 (pp. 281, and 484-491).

• Champion, G.C.: 1884-1893: Biologia Centrali Americana, Coleoptera 4 (1):1-XXXIV + 1-572 pp., 23 plates (see 1884:51 and 1892:490-491).

• Clark, W. 1991, Location of holotype of Araeoschizus antennatus Blaisdelli Papp (Coleoptera, Tenebrionidae). Pan-Pacific Entomologist. vol. 67 (1): 73.

• Clark, W.H. and RE. Blom: 1988. Observation of the relationship between Ants (Hymenoptera: Formicidae) and Araeoschizus (Coleoptera: Tenebrionidae). -- Journal Idaho Acad. Sci., 24:34-37, 1 fig.

• Clark, W.H., RE. Blom and A.M. Lowman: 1986. Contents of a Nest of the Desert Ant, Pheidole gallipes Wheeler, in Baja California, Mexico. - Pan-Pac. Ent., 62:99-1 02, 2 figs.

• Clark, W.H. and RE. Blom: 1988. Observation of the relationship between Ants (Hymenoptera: Formicidae) and Araeoschizus (Coleoptera: Tenebrionidae). -- Journal Idaho Acad. Sci., 24:34-37, 1 fig.

• Clark, W.H. and RE. Blom: 1992. An efficient and inexpensive pitfall trap system. -- Ent. News, 103:55-59, 1 fig.

• Dajoz, R.: 1984. Une espece nouvelle du genre Araeoschizus Le Conte (Coleoptera: Tenebrionidae). -- Bull. Soc. Lin., 53:246-247.

• Dajoz, R. 1989a. 1989. Une nouvelle espece du genre Araeoschizus Leconte du sud-est de l'Arizona (États- Unis) (Coleoptera, Tenebrionidae). Nouv. Rev. Entomol. (N.S.) 6:33-36.

• Dajoz, R.: 1989b. Une nouvelle espece texane du genre Araeoschizus Le Conte (Col.: Tenebrionidae). -- Bull. Soc. ent. Fr., 93:149-152,1 fig.

• Dajoz, R.: 1991. Description de deux especes nouvelles du genre Araeoschizus, de la larve, de la nymphe et notes sur leur biologie (Col. Tenebrionidae), -- Bull. Soc. ent. Fr., 96:165-174, 4 figs.

• Hall, W.E., T.R. Van Devender and C.A. Olson: 1988. Late Quaternary Arthropod Remains from Sonoran Packrat Middens, Southwestern Arizona and Northwestern Sonora. -- Quaternary Research, 29:177-193, 2 figs.

• Hardy, A.R. and F.G. Andrews: 1979. An Inventory of Selected Coleoptera from the Algodones Dunes. -- A Report to the Land Management, in Fulfilment of Contract Number CA-060-CT-8-68. -- California Dept. of Food and Agric., Insect Taxonomy Lab., 36 pp, figs.

• Hatch, M.H.: 1965. The Beetles of the Pacific Northwest. - Univ. of Washington Press, Publ. in Biology, 16, 4:1-268,28 pls. (p. 134, p1. 21, fig. 2).

• Hendricks, P. 1991. Range Extension of Araeoschizus airmeti Tanner (Coleoptera: Tenebrionidae) in Western Idaho and Eastern Oregon. The Coleopterists Bulletin, vol.45 (4):p. 369.

• Hendricks, P. and L.M. Hendricks. 1999. Field observations on the Myrmecophilous beetle Araeoschizus airmeti Tanner (Coleoptera: Tenebrionidae) at harvester ant (Hymenoptera: Formicidae) mounds. Great Basin Naturalist 59(3): 297-299.

• Horn, G.H. 1867. Notes on the habits of a few California Coleoptera. Proc. Ent. Soc. Amer., 6:289-293.

• Horn, G.H. 1870. Revision of the Tenebrionidae of America, North of Mexico. Trans. Amer. Philos. Soc., 14 (64):253-404.

• Horn, G.H. 1890. Some notes on Araeoschizus. Trans. Amer. Ent. Soc., 17:339-343.

• Lacordaire, T.: 1859. Genera des Coleopteres. - Hist. Nat. Ins., 5(1):103.

• Lavigne, R.J.: 1969. Bionomics and Nest Structure of Pogonomyrmex occidentalis (Hymenoptera: Formicidae). -Ann. Ent. Soc. Amer., 62:1,166-175, figs.

• LeConte, J.L.: 1851. Description of new species of Coleoptera from California. -Lyceum of Nat. Hist. New York, 5:125-184 (p. 138). *

• LeConte, J.L.: 1859. Descriptions of some new genera and species of Coleoptera from the vicinity of the southern boundary of the United States of America. - Arcana Naturae, 3:121-128, 2 pls. (p. 124, pl. XIII, fig. 11). *

• Papp, C.S.: 1961. Checklist of Tenebrionidae of America, north of the Panama Canal. - Opusc. Ent., 26:97-140.

• Papp,C.S. 1981. Revision of the genus Araeoschizus LeConte (Coleoptera: Tenebrionidae), Entomologische Arbeiten aus dem Museum G. Frey 29: 273-420.

• Papp, C.S.: 1989. Notes on the Stenosini Genus Araeoschizus LeConte from Baja California, Mexico. - Entomography, 6:335-340, 3 figs.

• Papp, C.S.: 1993. The American beetle genus Araeoschizus LeConte. Published lecture notes for the Pannon Agric. Univ., Keszthely (April 6) and the Hungarian Entom. Soc., Budapest (April 16). 16 pp., ill.

• Papp, C.S.: 1994. My Coleopterological Research. - Published lecture notes for the Kossuth Lajos University of Debrecen (May 30) and for the Pannon Agric. Univ., Keszthely, Hungary (June 3). 120 pages (pp. 60-77), ill.

• Papp, Charles S. (1998) "Two New Stenosini Species in the Genus Araeoschizus LeConte from Baja California, Mexico (Coleoptera: Tenebrionidae)," Bulletin of the Southern California Academy of Sciences: Vol. 97: Iss. 3.

• Papp, C.S. 2001. Two new Araeoschizus species from the Vizcaino Peninsula of Baja California sur, Mexico and discussion of species groups: (Coleoptera: Tenebrionidae). Journal of the Idaho Academy of Science.37 (1):

• Papp, C.S. and I.M. Somlyai: 1994. Genus Araeoschizus LeConte as indicator of environmental changes in California. - Internat. Symposium on Crop Protection, Univ. of Gent, Belgium, 14:50.

• Snelling, R. R. 1976. A revision of the honey ants, genus Myrmecocystus (Hymenoptera: Formicidae). Nat. Hist. Mus. Los Angel. Cty. Sci. Bull. 24: 1-163.

• Tanner, 1945. A new species of Araeoschizus. The Great Basin Naturalist. 6(1-4): 125-126.

• Tanner, V.M. and W.A. Packham: 1965. Tenebrionidae beetles of the Nevada Test Site. - Bringham Young Univ., Sci. Bull., 4:1-44 (pp. 9 and 20-21). Wheeler, G.C. and J. Wheeler: 1973. Ants of Deep Canyon. - Philip L. Boyd Deep Canyon Desert Res. Center Pub!., pp. I-XIII + 1-162.