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A Checklist of the Beetles of Cuba with Data on Distributions and ...

A Checklist of the Beetles of Cuba with Data on Distributions and ...

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Table 4. C<strong>on</strong>tinued.<br />

A <str<strong>on</strong>g>Checklist</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>Beetles</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g> 17<br />

Total Total End. Native Intro Predict. Err<strong>on</strong>eous<br />

ORDER COLEOPTERA Genera Species Species Species Species Species Species<br />

_________________________________________________________________________________________<br />

Chrysomeloidea<br />

155. Cerambycidae 42 230 144 80 6 9 9<br />

156. Bruchidae 13 36 8 24 4 0 0<br />

159. Chrysomelidae 85 374 306 68 0 9 6<br />

Curculi<strong>on</strong>oidea<br />

161. Anthribidae 12 29 23 5 1 2 0<br />

162. Belidae 1 1 1 0 0 0 0<br />

163. Attelabidae 4 13 6 7 0 0 0<br />

164. Brentidae 9 20 14 5 1 1 0<br />

167. Curculi<strong>on</strong>idae 134 385 232 131 22 12 0<br />

__________________________________________________________________________________<br />

Totals 954 2673 1495 1092 86 98 38<br />

ORDER STREPSIPTERA<br />

Corioxenidae 1 1 0 1 0 1 0<br />

Myrmecolacidae 1 1 0 1 0 0 0<br />

Halictophagidae 1 1 0 1 0 0 0<br />

__________________________________________________________________________________<br />

Totals 3 1 0 3 0 1 0<br />

Summary <strong>and</strong> origins <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> beetle fauna <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g><br />

Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> diversity<br />

The <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>n beetle fauna is now known to c<strong>on</strong>tain<br />

87 families, 954 genera, <strong>and</strong> 2,673 species<br />

(Table 4). This diversity can be compared <str<strong>on</strong>g>with</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

known beetle fauna <str<strong>on</strong>g>of</str<strong>on</strong>g> o<str<strong>on</strong>g>the</str<strong>on</strong>g>r areas, such as <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

United States <str<strong>on</strong>g>with</str<strong>on</strong>g> 131 families; Canada <str<strong>on</strong>g>with</str<strong>on</strong>g> 129<br />

families, 3526 genera, <strong>and</strong> 25,160 species; Mexico<br />

<str<strong>on</strong>g>with</str<strong>on</strong>g> 114 families; Brazil <str<strong>on</strong>g>with</str<strong>on</strong>g> 104 families, 4,351<br />

genera, <strong>and</strong> 26,755 species; <strong>and</strong> Australia <str<strong>on</strong>g>with</str<strong>on</strong>g> 113<br />

families (Costa 2000, Marske <strong>and</strong> Ivie 2003,<br />

Navarrete-Heredia <strong>and</strong> Fierros-López 2001). It is<br />

clear that additi<strong>on</strong>al families, genera, <strong>and</strong> species<br />

remain to be discovered in <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>. There are some<br />

evident patterns in <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>n beetle fauna, as discussed<br />

below.<br />

An unbalanced fauna<br />

The family, subfamily, tribal <strong>and</strong> generic compositi<strong>on</strong><br />

<str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>n beetle fauna is dissimilar in<br />

many ways from that found in <str<strong>on</strong>g>the</str<strong>on</strong>g> neighboring c<strong>on</strong>tinental<br />

l<strong>and</strong>s <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> sou<str<strong>on</strong>g>the</str<strong>on</strong>g>rn United States,<br />

Mexico, <strong>and</strong> Central America. The most c<strong>on</strong>spicuous<br />

feature is that many tax<strong>on</strong>omic groups are absent.<br />

This comparative difference is called a dis-<br />

harm<strong>on</strong>ic or unbalanced fauna. It is a result <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

l<strong>on</strong>g oceanic isolati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g> as an isl<strong>and</strong>. If <str<strong>on</strong>g>the</str<strong>on</strong>g>re<br />

had been free <strong>and</strong> obstructed movement <str<strong>on</strong>g>of</str<strong>on</strong>g> faunas<br />

between all <str<strong>on</strong>g>the</str<strong>on</strong>g>se regi<strong>on</strong>s <strong>and</strong> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g> it would be expected<br />

that <str<strong>on</strong>g>the</str<strong>on</strong>g> higher-level tax<strong>on</strong>omic makeup <str<strong>on</strong>g>of</str<strong>on</strong>g><br />

<str<strong>on</strong>g>the</str<strong>on</strong>g> beetles <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g> would be similar to that <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

neighboring c<strong>on</strong>tinental l<strong>and</strong>s.<br />

The actual dissimilarity is str<strong>on</strong>g evidence that<br />

<str<strong>on</strong>g>Cuba</str<strong>on</strong>g> has not had a direct l<strong>and</strong> c<strong>on</strong>necti<strong>on</strong> to <str<strong>on</strong>g>the</str<strong>on</strong>g>se<br />

neighboring areas <strong>and</strong>, as a corollary, that <str<strong>on</strong>g>Cuba</str<strong>on</strong>g><br />

has been l<strong>on</strong>g isolated from <str<strong>on</strong>g>the</str<strong>on</strong>g>se l<strong>and</strong>s by a significant<br />

oceanic barrier to beetle dispersal <strong>and</strong> col<strong>on</strong>izati<strong>on</strong>.<br />

Isl<strong>and</strong>s which have always been so isolated<br />

are called oceanic isl<strong>and</strong>s. Table 5 is a list <str<strong>on</strong>g>of</str<strong>on</strong>g><br />

beetle families which are known in c<strong>on</strong>tinental<br />

warm-temperate Nearctic <strong>and</strong> tropical Neotropical<br />

l<strong>and</strong>s adjacent to <str<strong>on</strong>g>Cuba</str<strong>on</strong>g> <strong>and</strong> which might ei<str<strong>on</strong>g>the</str<strong>on</strong>g>r be<br />

eventually discovered in <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>, or whose absence<br />

helps to show <str<strong>on</strong>g>the</str<strong>on</strong>g> unbalanced nature <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>Cuba</str<strong>on</strong>g>n<br />

fauna.<br />

Generic <strong>and</strong> specific endemism <strong>and</strong> species<br />

swarms

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