Weevils - Entomological Society of Canada

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32. 33. ,J+. 35. ,JO. 37. 38. 80 Frons flat, not impressed near eye (rarely slightly impressed). Rostrum I.2-I.3 times (female) or 1.1-1.2 times (male) longer than pronotum. Antennae of male inserted at basal 0.3-0.4 of rostrum. Length 7.7-2.3 mm. Ontario to Alberta . . . . . huron Fall (p. 115) Pronotum in male with distinct basal flange . . . . 33 Pronotuminmalewithout distinctbasalflange ....... 37 Rostrum more or less expanded in apical third, with punctures and sculpture not finer or sparser on apical third than on basal third. Length 7.5-2.2 m:nr. Quebec to British Columbia (subgenus Alocentron) ..... o'ttenuq'tum Smith(p.92) Rostrum more slender apically than basal third, with punctures and sculpture finer and sparser on apical third than on basal third (subgenus Coelocephalapion) ... - -. 34 Eyes moderately prominent. Pubescence consisting of very sparse, uniform scales. Rostrum similar in both sexes. Pronotum with lateralmargins subparallel onbasalhalf .. ...... 35 Eyes flat or slightly prominent. Pubescence conspicuous; scales more or less condensed at base of interstriae 3. Rostrum longer and more slender in female than in male. Pronotum subconical' Length 2.2-2.9mm.Ontario..... ... segnipesSay(p. 134) Scales on head behind eyes and on dorsal apical region ofeach femur distinctly coarser than stoutest seta on antenna. Eyes with maximum width between outer margins (dorsal view) less than or about equal to width ofhead at base . . . . . . 36 Scales on head behind eyes and on dorsal apical region ofeach femur as coarse as stoutest seta on antenna. Eyes with maximum width between outer margins (dorsal view) slightly greater than width of i:li li l::: t-**' u-? o : T: o11""| "*o"ir;p,."e"ii ip ibsr Scales behind eye and on side of pronotum of similar coarseness. Length 7.5-2.0 mm. Eastern United States d.ecoloratun Smith (p. 106) Scales behind eyes distinctly coarser than scales on side of pronotum. Length 1.5-1.8 mm. Ontario cq,rinq.turn Smith (p. 96) Tarsal claw of male with acute basal tooth . . . . . . 38 Tarsal claw of male lacking basal tooth . . . 43 Body moderately robust. Tarsi of male lacking spine (subgenus Pseudapion) .... ... '. 39
39. 40. 4r. 42. 43. Body narrow, elongate, subcylindrical. Middle legs of male with spine on inner margin of first segment of tarsus (subgenus Ceratapion) .... 4L Femur yellow or reddish. Rostrum with apical two-thirds yellow in male. Length 1.8-2.6 mm. Manitoba to Alberta . . . . . . . d.isparatum. Sharp (p. 107) Femur black or blackish; rostrum of male blackish . . . . . 40 Distance between anterior margin of antennal scrobe and front of eye generally less than 1.5 times width of frons, distinctly less than maximum width of femur of foreleg. Frons generally greater than 1.1 times wider than dorsal tip of rostrum. Rostrum less than 1.2 times (male) or 1.3-1.6 times (female) longer than pronotum. i::*l ii i l-T *::'1Yi\^:m;;;Kt,"ilj""ip gor Distance between anterior margin of scrobe and front of eye greater than 1.5 times width of frons, equal to or greater than width of femur of foreleg. Frons 1.0-1.1 times wider than dorsal tip of rostrum' Rostrum I.l-I.2 times (male) or 2.0-2.3 times (female) longer than i::T:T :::*l i i i 1 :: *::':":;lili:?1x"i,g", ip gs, Segment 1 of middle and hind tarsi produced into spine-like process :l':Ti "'i1"1 :::*l il-i I :- a;;*;",- s,'itr, ip ibzr Segment 1 of middle tarsi only produced into spine-like process on innermargin .... ....42 Elytral interstriae flat, finely transversely rugose, with 2 rows of fine punctures. Pubescence conspicuous. Length t.8-2.2 mm. Saskatchewan... .extensumSmith(p. 109) Elytral interstriae convex, nearly smooth, with 1 row of fine punctures. Pubescence moderately conspicuous. Length L.4-2-0 T- 1i:1* i:1:'::::il "::i:1 "o'i!."i,;;";s-itr, rp ni> i::*l li iI r î:::: ":":if:]:rl#;,#b?t'ff[-33 Length 1.6-2.4 mm. Nova Scotia (subgenus Omphalapion) . . . hooheri Kirby (p. rr4) 44. Scales on elytra nearly uniform, conspicuous, moderately coarse; scales behind scutellum only slightly denser and coarser than those on remainder of elytra. Elytral interstriae 2-5 with 3 or 4 rows of n lli'll ::1*: ? ô' :::Y:::::lxiini,iixi""i,,g., rp i+or 81
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I-HE INSECTS AND ARACHNIDS OF CANAD
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oMinister of Supply and Services Ca
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Part 11. The Genera of Larval Midge
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Genusdpioz Herbst Key to subgenera
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Acknowledgments Several individuals
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The families treated herein, with t
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of some diagnostic value. The pygid
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5. Antennae with distinct clubs (Fi
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6. Trochanter court, triangulaire;
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4. : : T::' :: "lll:tll " : ii Tl :
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Description. Pubescence abundant. H
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eticulate, dull; epistoma very narr
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Eu pari u s marmo reus (Olivier) Fi
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Type species. Anthribus albirostris
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Valentine (1971) records specimens,
Page 32 and 33: sg_ /uH l\4 S -$* 0 / \/'- \r-""Û
Page 34 and 35: sternites with white setae. sometim
Page 36 and 37: Key to species of Allandrus in Cana
Page 38 and 39: Distribution. Known from Alaska to
Page 40 and 41: This genus includes 21 North Americ
Page 42 and 43: 2. Disque du pronotum irr6gulidreme
Page 44 and 45: T rigonorhinu s alternatus : Valent
Page 46 and 47: variable populations have been desc
Page 48 and 49: hf$t's"J "#o\ (\ * .P ry[\^\ \-/ 'u
Page 50 and 51: Hormiscus Gemminger and von Harold,
Page 52 and 53: Comments. Adults of this species ar
Page 54 and 55: that the absence of a frontoclypeal
Page 56 and 57: This genus contains three species,
Page 58 and 59: 1. 2. 3. 4. 5. 1. 56 Key to species
Page 60 and 61: Cimberis elongata (LeConte) Map 10
Page 62 and 63: unknown; Kuschel (1989) had only 22
Page 64 and 65: dense, random, moderately deep, eac
Page 66 and 67: Acromacer Kuschel, 1989 : 152. Genu
Page 68 and 69: pronotum weakly granulose. Elytra e
Page 70 and 71: Fig. 4. '4rrhenodee rninutus 68
Page 72 and 73: protective cover or fluid is placed
Page 74 and 75: Description. Rostrum elongate, cyli
Page 76 and 77: Distribution. Manitoba to Alberta,
Page 78 and 79: 5. 6. ,7 8. 9. 10. 11. 76 Limiting
Page 80 and 81: 18. 19. 20. 27. 22. 23. 24. 78 'rll
Page 84 and 85: 2. .f. Scales on elytra fine, spars
Page 86 and 87: 13. M6tasternum du mAle portant des
Page 88 and 89: 26. Article 1 du protarse presque a
Page 90 and 91: 39. 40. 43. 44. Corps 6troit, allon
Page 92 and 93: Map 12. (r). Collection local ities
Page 94 and 95: Description. Length 1.8-2.3 mm. Bod
Page 96 and 97: description. Kissinger (1968) desig
Page 98 and 99: Comments. This species belongs in t
Page 100 and 101: punctured beyond antennal insertion
Page 102 and 103: than that adults are found most com
Page 104 and 105: Comments. This species, a member of
Page 106 and 107: Comments. This species belongs to t
Page 108 and 109: Map 1?. Collection localities of Ap
Page 110 and 111: ostrum, with 2 rows of punctures se
Page 112 and 113: interpuncture spaces coarsely aluta
Page 114 and 115: Apion lrosfl Kissinger Figs. 92, 93
Page 116 and 117: of A. hatchl may be distinguished (
Page 118 and 119: Distribution. Ontario to Alberta, s
Page 120 and 121: interstriae about twice as wide as
Page 122 and 123: contents. Larval development extend
Page 124 and 125: Distribution. Central New York to c
Page 126 and 127: pronotum; sides, in dorsal vieq as
Page 128 and 129: parallel on apical quarter, slightl
Page 130 and 131: Apion proclive LeConte Figs.49,720,
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Map 22. Collection localities of Ap
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have been reared from tick trefoil
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September on the foilage of wild in
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"Tp.2I,Pge.12, W 4 Mer." British Co
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to slightly constricted apex, witho
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sagebrush (Artemisia heterophylla).
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2 rows of fine punctures bearing sc
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Elytra with punctures randomly plac
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Pte roc o I u s ovatus (Fabricius)
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Genus Eugnamptus Schoenherr Eugnamp
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females oviposit in dead leaves of
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Genus Pselaphorhynchites Schlisky R
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Northwest Territories: Norman Wells
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This genus contains four species in
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Fig 9. Merhynchites bicolor 158
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Map 28. Collection localities of Me
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users of this work will be cautious
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Auletobius blatchleyi Voss, 1935:24
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Distribution. Manitoba to British C
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Depo raus g I asti n us (LeConte) F
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times longer than wide, twice as wi
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Ithycerus noveboracensis (Forster)
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Description. Length 12-18 mm. Body
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2. Dos entidrement orange rougeAtre
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americdna), alder (Alnus rugosa), o
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Hamilton (1969) designated a lectot
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after its construction. The larva f
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Family Platypodidae The vast majori
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Figp. 12, I3. Platypus wilsoni. 12,
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A @\ 37 JC /t\ (A \) VV A 6/ fr-D )
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.Yt v\--l 49 A \,1 / 51 \/ tl FigF.
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NAA AAA 78 7., 79 AAA A A-A 86 a7 8
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4 e4 AAA xr^,f rNRA A-A*A Ak^ AAA F
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-----A -l- / ,/,/l\------:, I €i7
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Glossary antennae The paired, segme
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tibia (pl. tibiae) The fourth major
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Casey, T.L. 1884. Contributions to
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Gemminger, M.; von Harold, E. 1872.
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Jekel, H. 1855-1860. Insecta Saunde
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Olivier, A.G. 1795. Entomologie, ou
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Smith, J.B. 1884. Synopsis of the A
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Index (Page numbers of principal en
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Delphinium (Tourn.) L. 51 Deporaus
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Petalostemon candidus (Willd.) Mich
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Printedon recycledpper
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