Review of Campsicnemus species from the Atlantic Ocean Islands (Diptera: Dolichopodidae) Author Grichanov, Igor Ya. All-Russian Institute of Plant Protection, Podbelskogo 3, St. Petersburg, Pushkin, 196608, Russia. grichanov@mail.ru text European Journal of Taxonomy 2012 2012-03-29 11 11 1 12 journal article 10.5852/ejt.2012.11 2a2712a2-05c7-4bd5-85b2-c7cb7b07b378 2118-9773 3857743 Key to Campsicnemus males from Atlantic Ocean islands 1. Femora and tibiae practically simple; fore and mid basitarsi bearing very long bristly hairs, and 2nd-5th segments of same tarsi with elongated hairs; 2nd segment of mid tarsus flattened ventrally; 2.0 mm (Canary Is.) ……………………………………………………… C. crinitarsis Strobl, 1906 – Femora or tibiae modified or bearing bunches or rows of remarkable setae; tarsi differently setose, often modified…………………………………………….…………………………………………2 2. Fore tibia strongly dilated; tarsal segments 1, 2 and 4 shortened, and 1st-3rd segments of fore tarsus bearing very long processes covered with long hairs; face golden-yellow; 3.0 mm ( St. Helena )………………………………………………….………….… C. magius ( Loew, 1845 ) – Fore leg practically simple; face usually yellowish-grey………………………………………….3 3. Mid basitarsus much shorter than next segment; hind femur with ventral row of strong black bristles; face yellow brown; 2.0- 2.75 mm ( Azores , Canary Is. and Madeira )…… C. curvipes ( Fallén, 1823 ) – Mid basitarsus about as long as or longer than next segment; hind femur with at most fine pale setae; face yellowish-grey…………………………………………………………………………………..4 4. Mid tibia considerably dilated along entire length and curved; mid basitarsus with thick apical tooth; 1.5 mm ( St. Helena )……………………………………………………… C. sanctaehelenae sp. nov. – Mid tibia not dilated or slightly thickened; mid basitarsus with at most thin apical spine……………………………………...………………………………………………………5 5. Mid femur without ventral subapical excavation; mid tibia with erect ventral spinules and cilia along entire length; mid basitarsus 1.5 times longer than next segment; 3.7 mm ( St. Helena ).…….… ……………………………………...………………………………………… C. flavissimus sp. nov. – Mid femur with deep ventral subapical excavation; mid tibia without erect ventral spinules and cilia; mid basitarsus not longer than next segment….….……………………………….6 6. Mid tibia and basitarsus densely covered with long setae along entire length; antennal postpedicel 3 times longer than high at base, with drawn-out apex; 1.85 mm ( St. Helena ) ……………….…….. …….…….…….…….…….…….…….…….…….…….…….…….…….… C. meridionalis sp. nov. – Mid tibia with long setae in basal half only in addition to 3 strong anterodorsal bristles in distal part; mid basitarsus with short setulae; antennal postpedicel triangular, slightly longer than high at base; 2.2-2.5 mm ( Azores )…………………………………………………… C. atlanticus Dyte, 1980