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than that adults are found most commonly from late May through July. Kissinger (1959) designated the lectotype. Fig.6. Apion centrale 100
Apion commodum Fall Figs. 73, 74; Map 16 Apion comrnodum Fall, 1898:154 (holotype, Montana; USNM); Kissinger 1968:84; O'Brien and Wibmer t982:21. Description. Length 2.3-3.3 mm. Body moderately robust, black. Pubescence consisting of white, conspicuous, moderately coarse, sparse scales. Frons 1.1-1.3 times wider than tip of rostrum. Rostrum of male evenly, moderately curved, l.t-1.2 times longer than pronotum; sides, in dorsal view, expanded at antennal insertions, converging to apical third; surface coarsely punctured. Rostrum of female slightly curved, 1.5-1.8 times longer than pronotum; sides, in dorsal view, slightly expanded at antennal insertions; basal two-thirds moderately coarsely punctured; apical third finely punctured; apex shining. Antennae inserted in basal 0.2-0.3 (male) or in basal 0.2 (female) of rostrum. Eye moderately convex. Pronotum at base 1. 1 times wider than long; sides broadly rounded; disc moderately strongly convex' flattened apically and basally, with deep punctures; interpuncture spaces convex, alutaceous. Elytra 1.4-1.5 times longer than wide; striae deeply impressed; interstriae about twice as wide as striae, flat to slightly convex, each interstria with 1-3 rows of frne punctures bearing fine scales; interstria 9 with 1 long specialized seta; interstria 3 with short setae. Tibiae in male mucronate; tibiae of forelegs with minute simple mucro; tibiae of middle and hind legs with larger subdentate mucrones' Distribution. Manitoba to Alberta, south to Iowa, Montana, and North Dakota. Alberta: Scandia. Saskatchewan: Aweme, Duck Lake, and Stony Mountain. Saskatchewan: Roche Percee. Map 16. Collection localities of Apion cornmodum. 101
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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,
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sg_ /uH l\4 S -$* 0 / \/'- \r-""^U
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sternites with white setae. sometim
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Key to species of Allandrus in Cana
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Distribution. Known from Alaska to
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This genus includes 21 North Americ
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2. Disque du pronotum irr6gulidreme
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T rigonorhinu s alternatus : Valent
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variable populations have been desc
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hf$t's"J "#o\ (\ * .P ry[\^\ \-/ 'u
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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 82 and 83: 32. 33. ,J+. 35. ,JO. 37. 38. 80 Fr
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 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,
Page 132 and 133: Map 22. Collection localities of Ap
Page 134 and 135: have been reared from tick trefoil
Page 136 and 137: September on the foilage of wild in
Page 138 and 139: "Tp.2I,Pge.12, W 4 Mer." British Co
Page 140 and 141: to slightly constricted apex, witho
Page 142 and 143: sagebrush (Artemisia heterophylla).
Page 144 and 145: 2 rows of fine punctures bearing sc
Page 146 and 147: Elytra with punctures randomly plac
Page 148 and 149: Pte roc o I u s ovatus (Fabricius)
Page 150 and 151: 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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