Beetles Identification Guide

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18 Pubescence on elytron long and slightly curved. Hind trochanter of male 2 with conspicuous spine-like projection on posterior margin. [Length of body 2.8—3.5 mm] ............................................Anthicus hastatus (p.63) 2 Males differ from females in having two abdominal terga exposed, instead of one, at the elytral apex (as in Fig. 255).
Key C CRYPTOPHAGIDAE 1(0) Antennae inserted on frons, distance between antennal insertions equal to or less than length of first antennal segment (Fig. 57). [Length of body 1.2—2.2 mm; habitus Fig. 186] ............................ Atomaria (p.80) Antennae inserted under acutely margined sides of frons, distance between antennal insertions more than length of first antennal segment (Fig. 58) ..................................................................................................2 2(1) Pronotum with anterior angle not thickened; lateral margins denticulate (Figs. 59 and 60) ................................................................. (Henoticus) 3 Pronotum with anterior angle thickened, forming callosity; lateral margins smooth or slightly crenulate (Figs. 63—74) ................ (Cryptophagus) 4 3(2) Pronotum widest near middle; lateral margins evenly arcuate (Fig. 59). Eye larger, less conical (Fig. 59). [Length of body 1.8—2.3 mm; habitus Fig. 188] ............................................................ Henoticus serratus (p.87) Pronotum widest near base; lateral margins asymmetrically arcuate (Fig. 60). Eye smaller, more conical (Fig. 60). [Length of body 2.0—2.4 mm] .....................................................................Henoticus californicus (p.87) 4(2) Elytra with setae unequal in length, smaller setae decumbent, longer ones suberect and conspicuous or, in C. cellaris 3 , slightly raised and more or less conspicuous ......................................................................................5 Elytra with setae subequal in length and decumbent ............................ 9 5(4) Eye smaller, conical, somewhat flattened anteriorly (Fig. 63). [Length of body 1.7—2.4 mm] ............................... Cryptophagus laticollis (p.82) Eye larger, hemispherical or slightly conical, not flattened anteriorly (Figs. 64—67) ................................................................................................... 6 6(5) Pronotum with anterior angle drawn out into fine point posteriorly (Fig. 61) ...........................................................................................................7 Pronotum with anterior angle not drawn out posteriorly (Fig. 62) ......8 7(6) Pronotum rather quadrate; lateral tooth in front of middle of side (Fig. 64). [Length of body 2.2—2.7 mm] ......... Cryptophagus stromus (p.85) Pronotum rather transverse; lateral tooth near middle of side (Fig. 65). [Length of body 2.0—3.2 mm] .................... Cryptophagus pilosus (p.82) 8(6) Elytra with longer setae suberect and conspicuous. Eye slightly conical, smaller, prominent (Fig. 66). [Length of body 2.0—3.0 mm] ............... .................................................................... Cryptophagus setulosus (p.84) 3 The species has been inserted in both couplets. 19
Page 1 and 2: BEETLES associated with stored prod
Page 3 and 4: © Minister of Supply and Services
Page 5 and 6: ACKNOWLEDGMENTS I am indebted to L.
Page 7 and 8: INTRODUCTION This book is intended
Page 9 and 10: Trogoderma inclusum LeConte Trogode
Page 11 and 12: IDENTIFICATION KEYS Key A GENERAL 1
Page 13 and 14: Hind femur without or with small to
Page 15 and 16: 33(31) Pronotum with 6 large teeth
Page 17: Key B ANTHICIDAE 1(0) Integument of
Page 21 and 22: 16(15) Pronotum with anterior angle
Page 23 and 24: Elytra covered mostly with white or
Page 25 and 26: Key E LATHRIDIIDAE 1(0) Elytra with
Page 27 and 28: Key F NITIDULIDAE 1(0) Abdomen with
Page 29 and 30: Elytra moderately hairy, strial pun
Page 31 and 32: 9(8) Eye about 3 facets wide latera
Page 33 and 34: Figs. 9—21 Antenna (dorsal view).
Page 35 and 36: Figs. 32—38 Pronotum and elytra o
Page 37 and 38: Figs. 48—56 Elytra of (48) Anthic
Page 39 and 40: Figs. 66—74 Head and pronotum. (6
Page 41 and 42: Figs. 89—98 Anterior half of body
Page 43 and 44: Figs. 109—117 Head and pronotum o
Page 45 and 46: Figs. 124—132 Elytra and exposed
Page 47 and 48: Figs. 146—155 Head (lateral view)
Page 49 and 50: IDENTIFICATION PLATES 49
Page 51 and 52: Fig. 170 Stored-product beetles wit
Page 53 and 54: Fig. 172 Stored-product beetles wit
Page 55 and 56: Fig. 174 Stored-product beetles of
Page 57 and 58: GENERAL INFORMATION This section co
Page 59 and 60: Fig. 176 Lasioderma serricorne (Fab
Page 61 and 62: Fig. 177 Stegobium paniceum (Linnae
Page 63 and 64: Sexual dimorphism: Males have 2 exp
Page 65 and 66: combination of having the surface o
Page 67 and 68: Fig. 179 Araecerus fasciculatus (De
Page 69 and 70:
Fig. 180 Dinoderus minutus (Fabrici
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Sexual dimorphism: Males usually ha
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Fig. 182 Acanthoscelides obtectus (
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tibia; females lack such projection
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on the anterolateral margin of the
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Distribution: Cosmopolitan but more
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Fig. 186 Atomoria ephippiata Zimmer
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those of C. distinguendus Sturm, a
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Economic importance: As mentioned f
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Economic importance: As mentioned f
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Woodroffe, G.E.; Coombs, C.W. 1961.
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the Coleoptera dealt with here by t
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Fig. 190 Cryptolestes turcicus (Gro
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Fig. 192 Oryzaephilus mercator (Fau
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David, M.H.; Mills, R.B. 1975. Deve
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Fig. 193 Sitophilus granarius (Linn
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Most species feed almost exclusivel
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Fig. 194 Anthrenus scrophulariae (L
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Fig. 195 Attagenus unicolor (Brahm)
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successful in rearing the species o
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have recently become serious pests
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probably surviving on the remains o
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Fig. 199 Reesa vespulae (Milliron).
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Fig. 200 Thylodrias contractus Mots
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Fig. 202 Trogoderma glabrum (Herbst
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with insecticides, and in a short t
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Economic importance: The species is
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Fig. 203 Mycetaea subterranea (Fabr
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Fig. 204 Carcinops pumilio (Erichso
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Fig. 205 Aridius nodifer (Westwood)
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Fig. 206 Cartodere constricta (Gyll
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Twelve species of Corticaria have b
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Fig. 208 Dienerella ruficollis (Mar
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Fig. 209 Enicmus fictus Fall. Scale
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Diagnosis: Among the lathridiids di
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Fig. 212 Thes bergrothi (Reitter).
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Fig. 213 Litargus balteatus LeConte
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Diagnosis: This mycetophagid differ
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Selected reference Parsons, C.T. 19
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Distribution: Throughout the temper
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Economic importance: In Canada this
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Fig. 219 Omosita colon (Linnaeus).
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PTINIDAE spider beetles About 15 sp
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Fig. 221 Mezium affine Boieldieu. S
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Fig. 222 Niptus hololeucus (Falderm
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Distribution: Japan and introduced
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Fig. 224 Ptinus fur (Linnaeus); mal
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Fig. 226 Ptinus ocellus Brown. Scal
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The species was recorded in Canadia
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foodstuffs in the Vancouver area. I
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Fig. 229 Trigonogenius globulus Sol
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which they apparently prey; those o
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STAPHYLINIDAE rove beetles The Stap
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In North America as well as in Brit
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Economic importance: In North Ameri
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Fig. 234 Cynaeus angustus (LeConte)
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Fig. 235 Gnathocerus cornutus (Fabr
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Fig. 237 Palorus ratzeburgii (Wissm
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Fig. 238 Tenebrio molitor Linnaeus.
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Sexual dimorphism: Sexes are extern
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or 2 facets). It is most similar to
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Halstead, D.G.H. 1967. Biological s
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side margin of the head and the ant
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Figs, 248—256 (248) Anthrenus fus
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Figs. 260—263 (260) Tribolium cas
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Figs. 267—269 (267) Pseudeurostus
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facet A lens-like unit of the compo
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Fig. 270 Tenebrio molitor (dorsal v
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LITERATURE CITED Adams, R.G. 1978.
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Ghorpade, K.D.; Thyagarajan, K.S. 1
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Smith, L.B. 1962. A note on Cryptol
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coffee bean weevil ................
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pea weevil.........................
Page 215:
215
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