READING PUBLIC MUSEUM AND ART GALLERY

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LAWRENCE S. DILLON .<strong>AND</strong> ELIZABETH S. DILLON 147 Rather small; elongate-ovate, robust, subeylindrieal. Head with front elong ate, sides straight, only very feebly narrowed between ey'es; genae vertical; eye with lower lobe oblong-ovate, one-fourth longer than gena ; antennal tubercles slightly prominent, narrowly separated, unanned. Pronotum slightly transverse; sides arc uate, constricted strongly at apex, unarmed, base wider than apex; apical sulcus obsolete, finuatc, basal sulcus sinuous and oblique laterally; disk tumid with three distinct tubercles, median one elongate. Scutellum feebly transverse. Elytra with sides nearly parallel ; apices separately rounded; basal gibbosity moderately ele vate
148 THE TRIBE .ONCIDERINI then arcuately expanded to near apex, where it is strongly na.rrowed so that apical margin is not quite so wide as basal margin, lateral tubercles wanting; apical tmnsverse sulcus entirely obsolete and apex without beading, bnsai transverse sulcus deep, trisinuOU3, on each side two distinct sulci, ODe in position of usual lateral oblique sulcus, nearly, but not quite extending onto disk, the other extending the basal sulcus but not connected to it; disk at center tumid, bearing three tubercles there, a low elongate median one, and one each side anteriorly, oval, more prominent, lateral to the tumescence is an elongate, low, strongly oblique tubercle each side. Scutellum nearly as long as wide; sides straight, oblique; apex narrow, truncate. Elytra with sides nearly parallel, apices separately rounded ; oosal gibbosity rather elongate, oval, prominent, covered fairly densely with coarse punctures, each of which anteriorly bears a transverse granule, more pronounced near base; disk rather coarsely punctate, punctures gradually more sparse to middle, thence to apex denser and obsolete; humeri projecting, anterior margin feebly arcuate, slightly oblique, angle with a strong, transverse tubercle, prolonged beneath into a short, obique l carina. and above by a series of transverse rugosities. Prostcrnum simple, narrow, nearly parallelsided, at base strongly expanded ; mesosternal process wide, gradually e:panded basally, apex bilobedly emarginate. Procoxae globose, anteri orly with a broad, feeble tubercle; femora rather slender, clavate, profemora not rugo..."C. Fifth sternite nearly twice length of fourth, a large, triangular flattened area apically, apex feebly arcuate. Antennae one and onefourth times as long as body, eighth segment surpassing eiytral apex, very sparsely fimbriate beneath on third and fourth segments ; scape slender, slightly clavate on apical hnlf, not rugose at base; third segment about one-fifth longer than first, robust, feebly sinuous, fourth nnd fifth ' equnl to scape, rest slightly shorter, subequal. LFlNGTH 13 mm.; width 5 tnm. Holotype.-Female ; Santarem, Brazil i [C.M.]. HESYCHOTYPA Thomson He8Ychotypa Thomson, Pbysis, n, 1868, p. 53. Lacorda.ire, Gen. Col., IX, 1872, p. 667, 672. The chief distinguishing characteristics of the genus are as follows : the cJytra simply punctate, not granulate at base; antennae with third segment much longer than scape, moderately sin nate, scape short, robust, clavate; mesosternal process angulate each side, apex emarginate j humeri only sligl1tly prominent, an terior margin strongly arcnate j head and pronotum always with alternate dark and pale vittae. Elongat.e-ovate, robust; dark reddishbrown to black, tlSUllIly with a median or post-median fascia on elytra, which are often more or less covered with strigiform pubescent markings. Head with eye very variable in size and shape; front broad, only slightly higher than wide, parnllelsided or slightly narrowed below eyes; Rn tennal tubercles slightly prominent, widely separated, in male usually with a short horn, in female only slightly produced. Pronotum rather strongly transverse, apcx
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READING PUBLIC MUSEUM AND ART GALLE
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THE TRIBE ONCIDERINI (Coleoptera: C
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INTRODuc'rION As known at present,
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Introduction Vll As the shape of th
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Introduction IX In the OncideriniJ
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Introduction 15. Antennae less than
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Introduction Xlll Pronotum not cyli
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Introduction xv 79. Front distinctl
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2 THE T.RlHE ONClDEIUNI middle, the
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4 THE TRIBE ONCIDERINI 3. Elytra to
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G THE TRIBE ONCIDERINI Junin Prov.;
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8 THE TRIBE ONCIDERINI Jamesia phil
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10 THE TRIBE QNOIDERINI procoxae wi
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12 THE TRIBE ONCIDERINI GENOTYPE :
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14 THE TRIBE ONClDERINI broad, or e
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16 l'HE TRIBE ONOIDERINI procoxae w
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18 THE TRIBE ONCIDElllNI BRAZIL: 10
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20 THE TRIBE ONCIDERlNI Elytra with
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22 THE 'l'RIBB ONCIDEl\INI tinctly
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24 THE TRIBE ONCIDERINI basal half;
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26 'l'HE TJllBE ONCIDEBINI Allotype
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28 THE TRIBE ONCIDERINI the bassi t
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30 THE TRIBE ONClDERINI fifth: seap
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32 THE TRIBE ONCIDERINI in markings
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34 THE 'l'IHBE ONCIDERTNI about one
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36 THE TRIBE ONCIDERINI shorter; el
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38 THE TRIBE ONCIDERINI Distinct fr
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40 THE TRIBE ONClDERINI robust, pro
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42 'l'HE TRIBE ONCIDERINI at base r
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44 THE TRIBE QNOIDERINI Hypsioma op
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46 THE TRIBE ONCIDERINI slender, re
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48 THE TRIBE ONCIDERINI straigM, ob
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50 THE TRIBE ONCIDERINI TULCUS Dill
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52 THE TRIBE ONCIDERINI Elongatovat
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54 THE 'L'lUBE ONClDERINI Moderate
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56 THE TRIBE ONClOERINI side, these
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58 THE TRIBE ONCIDERINI Charoides p
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60 THE TRIBE ONCIDERINI ,streaks of
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62 'I'KE THilHi: ONClDERINI indisti
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64 THE TRIBE ONCIDERINl Charoides c
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66 THE TRIBE ONCIDERINI yellow, the
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68 THE TRIBE ONCIDERINI denser; hum
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70 THE TRIBE ONCIDRRINl middle wit.
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72 THE TRIBE ONOIDERINI third punct
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74 THE TRIBE ONCIDERINI Antennae sl
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76 THE TRIBE ONCIDEBINI Charoides p
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78 THE TRIBE ONCIDERINI fulvous is
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80 THE TRIBE ONCIDERINI Pranotum tr
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82 THE TRIBE ONCIDERINI punctures f
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84 THE 'I'RIBE ONCIDERI},."1 tooth
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86 THE TRIBE ONCIDERINI front occas
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88 THE TRIBE ONCIDEBINI Small or mo
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90 THE TRIBE ONCIDERINI impressed l
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92 :rHE TRIBE ONCIDERINl MALE. Elon
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94 THE TlUBE ONCIDERINI punctate, w
Page 111 and 112: 96 THE TRIBE ONCIDERINI ","ithout a
Page 113 and 114: 98 THE TRIBE ONClDERIl.'1 ccnces s
Page 115 and 116: 100 THE TRIBE ONCIDERINI LYDIPTA Th
Page 117 and 118: 102 THE TRIBE ONCIDERINI elytm. Scu
Page 119 and 120: 104 THE TRIBE ONCIDEBINl Type local
Page 121 and 122: 106 THE TRIBE ONClDERINI Elytra wit
Page 123 and 124: 108 THE TRIBE ONCIDEBINI callosity
Page 125 and 126: 110 THE TRIBE ONClDERINI half; prot
Page 127 and 128: 112 THE TRIBE ONCIDERINI BRAZIL: !j
Page 129 and 130: 114 THB TRIBE ONClDERINI Lampedu!lo
Page 131 and 132: 116 THE TRIBE ONCIDERINI nearly cyl
Page 133 and 134: 118 'l"HE 'XRIBE ONCIDERINI nearly
Page 135 and 136: 120 THE TRIBE ONCIDERINI procoxae s
Page 137 and 138: 122 l'B!:: TRI:BE ONClDERIl),"l Sma
Page 139 and 140: 124 THE TRIBE ONCIDERINI FEMALE. El
Page 141 and 142: 126 'l'HE TRIBE ONClDERINI Moderate
Page 143 and 144: 128 THE TRIBE ONCIDERINr Type local
Page 145 and 146: 130 THE TRIBE ONCIDEnINl Distinguis
Page 147 and 148: 132 THE TRIBE ONCIDERINI epistorna,
Page 149 and 150: 134 THE TRIBE ONClDERIh'"1 w1dened
Page 151 and 152: 136 THE TRIBE ONOIDERINI MALE. Elon
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Page 155 and 156: 140 THE TRIBE ONCIDERINI Sulpitus l
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Page 159 and 160: 144 THE TRIBE ONCIDERINI rather den
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Page 167 and 168: 152 THE TRIBE ONCIDERINI Hesycholyp
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Page 175 and 176: 160 THE TRIBE ONCIDERlNI Type local
Page 177 and 178: 162 THE TRIBE ONCIDERINI hoary pube
Page 179 and 180: 164 '!'HE TRIBE ONCIDERINI femora r
Page 181 and 182: 166 THE TRIBE ONCIDERINI the height
Page 183 and 184: 168 THE TRIBE QNCIDERINI Head minut
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Page 187 and 188: 172 THE TRIBE OXCID£RINI from befo
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Page 197 and 198: 182 THE TRIBE ONCIDEnINI OIle and o
Page 199 and 200: 184 THE TRIBE ONCIDERINI reeurved s
Page 201: 186 THE TlUBE ONCIDERINI only sligh
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READING PUBLIC MUSEUM AND ART GALLERY

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