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80 BULLETIN OF THE UNIVERSITY OF NEBRASKA STATE MUSEUM diapause in late summer before temperatures become too cold to find carrion. This is an adaptation to season length since only individuals that have enough time to reach the adult stage can successfully overwinter. Peck and Kaulbars (1987) noted that they have been taken on human and carnivore dung and on rotting fruits as well as on carrion. I and my students have taken them in large numbers in Nebraska in pitfall traps baited with rotting fish, beef liver, and chicken hearts and gizzards. Adults have been observed to feed on maggots (Clark 1895, Steele 1927). Pronotum subquadrate, with lateral and basal margins wide; anterior, transverse impression distinct (Fig. 83). Metasternum with sparse, light brown pubescence. Metepim-eron glabrous. Elytra: Each elytron with a small to medium, orange spot on lateral edge at about middle and two small to medium-sized spots near apex; elytra lacking long, distinctive setae. Epipleuron entirely black; epipleural ridge extending anteriorly to near level of base of scutellum (Fig. 91). Legs: Posterior tibia straight. Anterior face of procoxa glabrous on basal half. Fig. 118. Nebraska distribution of Nicrophorus orbicollis, N. pustulatus, N. tomentosus. Nicrophorus pustulatus Herschel (Figs. 83, 91, 118-119) Necrophorus pustulatus Herschel 1807: 271. Necrophorus bicolon Newman 1838: 385. Necrophorus tardus Mannerheim 1853: 170. Necrophorus marginatus fasciatus Portevin 1924: 86. Necrophorus marginatus unicolor Portevin 1924: 86. Diagnosis. Length 14.0-22.2 mm. Head: Club of antenna with basal segment black, remaining three segments orange. Thorax: Distribution. Nicrophorus pustulatus is found from southern Canada east of the Rocky Mountains and in the eastern half of the United States from North Dakota to eastern Texas (Anderson and Peck 1985, Peck and Kaulbars 1987). This species is known from the eastern two-thirds of Nebraska; collecting records are lacking for the panhandle. Locality Records (Fig. 118). 487 Nebraska specimens examined or recorded. The large number for Saunders County is the result of an intensive pitfall survey during the summer of 1995.
ADAMS CO. (2): No data; CLAY CO. (1): No data; CUSTER CO. (5): Anselmo, Milburn; DAWSON CO. (4): No data; DOUGLAS CO. (1): Omaha; DUNDY CO. (1): Republican River E of Benkelman; FRANKLIN CO. (3): Franklin; FRONTIER CO. (11): Farnam, Medicine Creek Reservoir, Red Willow Reservoir; GOSPER CO. (3): 4 mi. S. Gothenburg, Lexington; HALL CO. (13): Alda, Mormon Island; HOLT CO. (1): Spencer dam; JEFFERSON CO. (20): Fairbury; JOHNSON CO. (10): No data; KEYA PAHA CO. (19): Mills, Norden; KNOX CO. (1): Bazile Creek Wildlife Management Area; LANCASTER CO. (5): Lincoln, Sprague; LINCOLN CO. (47): Box Elder Canyon, Brady, Cottonwood Canyon, Moran Canyon, North Platte, THE CARRION BEETLES OF NEBRASKA 81 Fig. 119. Nicrophorus pustulatus Herschel. Sutherland, Wellfleet; OTOE CO. (1): No data; PAWNEE CO. (7): No data; PHELPS CO. (7): Bertrand; RICHARDSON CO. (11): Indian Cave State Park; SALINE CO. (8): Swan Creek; SARPY CO. (6): Bellevue; SAUNDERS CO. (295): Wahoo; SEWARD CO. (1): Garland; THOMAS CO. (4): Halsey Forest Reserve; WAYNE CO. (1): Wayne. Temporal Distribution. Rangewide: March to October (Peck and Kaulbars 1987). Nebraska: April (1), May (3), June (42), July (39), August (402), September (3), October (3). Remarks. Nicrophorus pustulatus is easily recognized by its primarily black color and the presence of small elytral spots rather than
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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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THE CARRION BEETLES OF NEBRASKA 25
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certain areas of the Pacific Northw
Page 35 and 36: THE CARRION BEETLES OF NEBRASKA 29
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 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: Mormon Island; HARLAN CO. (17): Rep
Page 89 and 90: Park; SALINE CO. (4): Swan Creek; S
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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