Laparocerus, Schonherr, 1834

Machado, Antonio, 2008, Three new endogean species of Laparocerus Schönherr, 1834 from the Canary Islands (Coleoptera, Curculionidae), Journal of Natural History 42 (17 - 18), pp. 1277-1288 : 1287-1288

Key to the cryptozoic species of Laparocerus in the Canary Islands

1 Eyes absent or reduced, with diameter not longer than first article of funicle and their convexity less than 15%. Endogean or hypogean species..... 2

- Eyes normally developed, with diameter longer than first article of funicule or convexity over 15%. Species from the surface... Laparocerus spp. (not keyed)

2 Eyes with at least 40 ommatidia............................. 3

- Eyes absent or with less than 40 ommatidia..................... 4

3 Frontal fovea rhombiform, short, not prolonged backwards into vertex. Pronotum and elytra with large foveiform punctures on shiny integument. Tenerife................................. L. edaphicus n. sp.

- Frontal fovea lineal, extending backwards into vertex. Pronotum and elytra with shallow punctures on subnitid microrugose integuments. Gran Canaria.............................................. L. lopezi n. sp.

4 Length <5 mm. Elytra with uniform sparse erect pilosity. La Gomera.......................................... L. oromii n. sp.

- Length> 5 mm. Elytra without erect pilosity. Species from La Palma... 5

5 Pronotum with small disperse punctures on shiny integument, devoid of scales. La Palma............. L. machadoi García et González, 2006

- Pronotum with many more or less coalescent large deep punctures, beset with emerging hairy-scales (at least on flanks)................... 6

6 Elytra laterally keeled, 7 th interval conspicuously reflexed all over............................ L. zarazagai García et Oromı´, 1997

- Elytra laterally not keeled, 7 th interval normally developed, convex..................................... L. dacilae García, 1998