IUCN threat status:

Not evaluated

Comprehensive Description

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Neivamyrmex leonardi (W. M. Wheeler) HNS

Figures 27, 38, 53

Eciton (Acamatus) leonardi Wheeler HNS , 1915: 392 (w). USA, California, Point Loma (MCZC) examined.

Eciton (Acamatus) peninsulare Mann HNS , 1926: 98 (w). MEXICO : Baja California [ Sur ], La Palma Davila ( USNM ) examined .

Eciton (Neivamyrmex) leonardi HNS : M. R. Smith, 1942: 570 (w). Creighton, 1950: 72 (w).

Eciton (Neivamyrmex) peninsulare HNS : Borgmeier, 1949: 101 (w).

Neivamyrmex leonardi HNS : Borgmeier, 1955: 431 - 434 (w). Watkins, 1971: 101 - 103 (w). Wheeler & Wheeler, 1973: 38 (w). Watkins, 1976: 13, 18 (w). Cokendolpher & Francke, 1990: 11.

DISTRIBUTION (Map 6)

UNITED STATES: Oklahoma and Texas, west to California and Nevada; MEXICO, Baja California Sur and Tamaulipas south to Guerrero.

SPECIMENS EXAMINED

UNITED STATES , ARIZONA , Pima Co. : Tucson , Prince Rd. ( UNAR ) . Santa Cruz Co. : Nogales ( LACM ) . CALIFORNIA , Inyo Co. : Saline Valley Rd. , 1.7 mi. WGrapevine Canyon Rd. ( 36 º 30.7 " N117 º 33.3 " W ) ( GCSC , CUIC , LACM , UCDC ) ; 2 km ESEFurnace Creek Inn , Death Valley Natl. Pk. ( 36 º 26 ' N116 º 50 ' W ), 100 m , ex Solenopsis xyloni HNS middens ( UCDC ) ; 9 - mile Canyon ( 35.85 º N117.90 º W ), 3400 ft . ( LACM ) ; 7 mi. S.Little Lake ( LACM ) ; 13.44 km SSELone Pine , ex Messor pergandei HNS midden ( LACM ) . Los Angeles Co. : Santa Monica Mtns ., Stunt Ranch ( 34 º 06 ' N118 º 39 ' W ), 410 m ( LACM , UCDC ) . Riverside Co. : Deep Canyon , 1300 ft. ( UCRC ) ; Deep Cyn. , 5200 ft. ( UNAR ) . San Bernardino Co. : “ Barstow Fossil Beds ” ( LACM )) ; 4 mi. NNW Adelanto ( LACM ) . San Diego Co. : Point Loma ( USNM ) . NEVADA , Churchill Co. : Sand Springs Dune 1200 m 39 º 17 ' N118 º 25 ' W ( UCDC ) . Lyon Co. : Weeks 1280 m ( 39 º 18 ' N119 º 15 ' W ), 1280 m ( UCDC ) . TEXAS , Mclennan Co. ( SEMC ) . Bosque Co. ( SEMC ) .

MEXICO , GUERRERO , 29 km NE Fila de Caballo ( GCSC , WPMC ) .

DISCUSSION

This is a poorly known species. The synonymous form N. peninsulare HNS was described from a few workers taken under a stone. Watkins (1971) also reported finding it under a stone in Texas and “ ... observed a few workers ... in a weak nocturnal raiding column of N. opacithorax HNS ... ” Our specimens from 9 - mile Canyon were found in soft sand at a depth of about 45 cm. This was in Sagebrush Desert with some intermixed Larrea. This ant has also been collected from Creosote Bush ScrubJoshua Tree Woodland. In the chaparral biome of Deep Canyon, Wheeler and Wheeler (1973) found a nest under a slightly buried stone.

Mann (1925) described the staphylinid beetle Pulicomorpha coecum from specimens collected with a colony of N. leonardi HNS (as Eciton peninsularis Mann HNS ) in Baja California Sur, Mexico.

The queen and male forms are unknown; however based on range data we surmise that N. minor HNS is probably the male form of N. leonardi HNS .

Automontage images of N. leonardi HNS may be viewed at antweb. org.

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Plazi

Source: Plazi.org

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