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82 BULLETIN OF THE UNIVERSITY OF NEBRASKA STATE MUSEUM transverse bands. Some specimens of N. orbicollis may also have small spots, but then they also possess elytral setae whereas N. pustulatus do not. The larval stage remains undescribed. Wilson and Knollenberg (1984) and Anderson and Peck (1985) observed that N. pustulatus is one of the rarer species of Nicrophorus and that it may, in fact, have a different natural history than other species as exemplified by its rarity in pitfall traps, absence from mice carcasses, and common occurrence at lights. Trumbo (1992) observed that N. pustulatus is a formidable brood parasite and produces the largest clutches (nearly 200 young) of any Nicrophorus species. They are routinely able to parasitize the broods of N. orbicollis but the reverse was never observed (Trumbo 1994). Adults are nocturnal. Adult activity, including reproduction, occurs in the spring, and teneral adults usually appear in mid to late summer. These adults probably overwinter (Peck and Kaulbars 1987). Anderson (1982) and Shubeck (1983) suggested this species has a strong preference for forested habitats while Lingafelter’s (1995) study in Kansas showed a preference for the ecotone between forests and fields. Nicrophorus tomentosus Weber (Figs. 118, 120) Necrophorus tomentosus Weber 1801: 47. Necrophorus velutinus Fabricius 1801: 334. Necrophorus velutinus angustifasciatus Portevin 1925: 170. Necrophorus velutinus aurigaster Portevin 1925: 170. Diagnosis. Length 11.2-19.0 mm. Head: Club of antenna black, basal segment shining, remaining segments dull. Thorax: Pronotum subquadrate with lateral margins broad; basal margin wide; surface covered with dense, long, yellow setae. Metasternum with long, yellow setae, with a glabrous spot present posterior to each of the mesocoxae. Metepimeron with only a few yellow setae or glabrous. Elytra: Each elytron with two, transverse orange maculae, maculae usually reaching suture, occasionally connected laterally, occasionally coalesced on disc. Legs: Posterior tibia straight. Distribution. Nicrophorus tomentosus is an abundant and widely distributed species. It occurs in nearly all of the United States (not the southern halves of Texas or Florida) and southern Canada east of the Rocky Mountains (Anderson and Peck 1985, Peck and Kaulbars 1987). In Nebraska, it is found throughout the state. Locality Records (Fig. 118). 5,991 Nebraska specimens examined or recorded. ADAMS CO. (3): Hastings; CASS CO. (166): Plattsmouth; CHASE CO. (76): Enders Reservoir; CHERRY CO. (20): Valentine, Ft. Niobrara Wildlife Refuge; CHEYENNE CO. (4): Dalton, Gurly; CUMING CO. (3): West Point; CUSTER CO. (250): Anselmo, Milburn, Sargent; DAWES CO. (11): Ash Creek, Chadron; DAWSON CO. (2): 5 mi. S. Gothenburg; DIXON CO. (192): Aowa Creek; DUNDY CO. (27): 1.5 mi. SW Max, Republican River E of Benkelman; FILLMORE CO. (5): Fairmont; FRANKLIN CO. (19): Franklin; FRONTIER CO. (1,287): Farnam, Medicine Creek Reservoir, Red Willow Reservoir; GOSPER CO. (192): Elwood Reservoir, Lexington, Smithfield; HALL CO. (37): Alda; HARLAN CO. (6): Republican River S of Orleans; JEFFERSON CO. (36): No data; JOHNSON CO. (5): No data; KEITH CO. (10): Cedar Point Biological Station, Sand Creek at Hwy. 2; KEYA PAHA CO. (50): Carns, Mills, Norden; KNOX CO. (72): Bazile Creek Wildlife Mgmt. Area, Center; LAN- CASTER CO. (46): Lincoln, Reller Prairie, Sprague; LINCOLN CO. (2,719): Brady, Box Elder Canyon, Cottonwood Canyon, Moran Canyon, North Platte, Sutherland, Wellfleet; McPHERSON CO. (1): No data; OTOE CO. (26): No data; PAWNEE CO. (6): No data; PHELPS CO. (5): Bertrand; PLATTE CO. (1): Columbus; POLK CO. (10): No data; RICHARDSON CO. (1): Indian Cave State
Park; SALINE CO. (4): Swan Creek; SARPY CO. (28): Bellevue, Fontenelle Forest, Schramm Park; SAUNDERS CO. (597): Wahoo; SIOUX CO. (53): Gilbert Baker Wildlife area, Glen, Monroe Canyon; THOMAS CO. (64): Halsey Forest; WASHINGTON CO. (13): Ft. Calhoun; YORK CO. (10): No data. Temporal Distribution. Rangewide: May to October (Peck and Kaulbars 1987). Nebraska: June (186), July (3,157), August (2,413), September (182), October (98). The high numbers for July and August reflect, in part, extensive trapping programs that were carried out in Frontier and Lincoln counties during the summer of 1995. THE CARRION BEETLES OF NEBRASKA 83 Fig. 120. Nicrophorus tomentosus Weber. Remarks. Nicrophorus tomentosus is readily separated from all other silphids in North America by the presence of long, dense, yellow setae covering the pronotum. The larval stage was described by Anderson (1982b), and a brief diagnosis was given by Anderson and Peck (1985). According to Anderson and Peck (1985), this species is unlike other species of Nearctic Nicrophorus in that adults do not bury the carcass. Instead, they make only a shallow pit into which the carcass sinks. It is then covered with litter. After a period of feeding, mature larvae move into the surrounding soil where they spend the winter as a third instar, prepupal larva.
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Cover. An adult burying beetle, Nic
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Bulletin of the University of Nebra
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Bulletin of the University of Nebra
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Extensive collecting was conducted
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THE CARRION BEETLES OF NEBRASKA 5 F
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the spring and fall. Drought freque
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they are referred to as “pampas,
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THE CARRION BEETLES OF NEBRASKA 11
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ea s t e r n de c i d u o u s Fo r
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insects are attracted to a cadaver
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The jar or container should not be
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SUBFAMIly SIlPhINAe The Silphinae i
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3’. Head may have short setae, bu
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In a report by Lawrence Bruner on t
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certain areas of the Pacific Northw
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Page 37 and 38: distributed throughout the eastern
Page 39 and 40: on the dried remains of hide, sinew
Page 41 and 42: elytra are exposed and are a bright
Page 43 and 44: will distinguish the larva of this
Page 45 and 46: GARDEN CO. (2): Crescent Lake; GOSP
Page 47 and 48: Creek Reservoir, Red Willow Reservo
Page 49 and 50: Adults in the genus Nicrophorus are
Page 51 and 52: A few field studies have shown that
Page 53 and 54: THE CARRION BEETLES OF NEBRASKA 47
Page 55 and 56: preparing the feeding cavity of the
Page 57 and 58: is allocated to the parents’ own
Page 59 and 60: oods reared on small carcasses by f
Page 61 and 62: 5. Anterior face of procoxa with sh
Page 65 and 66: KEY TO THE SPECIES OF THIRD INSTAR
Page 67 and 68: in north-central Nebraska (Ratcliff
Page 69 and 70: U.S. Fish and Wildlife Service (199
Page 71 and 72: factors responsible for the decline
Page 73 and 74: Mexico) had relatively low efficien
Page 75 and 76: face of the procoxa in the basal ha
Page 77 and 78: Kaulbars 1987). In Nebraska, this s
Page 79 and 80: ADAMS CO. (30): No data; ARTHUR CO.
Page 81 and 82: and basal margins wide; anterior tr
Page 83 and 84: narrow; basal margin wide; anterior
Page 85 and 86: Mormon Island; HARLAN CO. (17): Rep
Page 87: ADAMS CO. (2): No data; CLAY CO. (1
Page 91 and 92: LITERATURE CITED ABBOTT, C.E. 1927a
Page 93 and 94: (Nicrophorus americanus) in Oklahom
Page 95 and 96: HERSCHEL, J.D. 1807. Die Europäisc
Page 97 and 98: (Nicrophorus spp.). Journal of the
Page 99 and 100: REED, H.B. 1958. A study of dog car
Page 101 and 102: TRUMBO, S.T. 1990a. Reproductive be
Page 103 and 104: GLOSSARY (modified from Torre-Bueno
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