Campsicnemus zigzag

Evenhuis, Neal L., 2008, The Campsicnemus lobatus and zigzag groups in the Society Islands, French Polynesia (Diptera: Dolichopodidae), Zootaxa 1910, pp. 27-44 : 37-38

Key to species in the zigzag group

1. Mid femur with curlicue shaped thick black setae ventrally ( Fig. 16 ); mid tibia straight, with small patch of peg-like setae just basal to midpoint on mesal surface ( Fig. 21 ) ... (Raiatea) ..... ostlinx Evenhuis, n. sp.

–. Mid femur with thick black ventral seta not curlicue-shaped, shaped otherwise; mid tibia without peg-like setae near middle..........................................................................................................................................2

2. Mid femur with hook shaped thick black setae ventrally ( Fig. 15 ); mid tibia conspicuously bowed on basal half, all black ( Fig. 20 ) ... (Tahiti) .......................................................................... ogradyi Evenhuis, n. sp.

–. Mid femur with thick black ventral seta not hook-shaped, shaped otherwise; mid tibia not all black, not bowed on basal half......................................................................................................................................3

3. Mid femur with kinked thick black setae ventrally ( Fig. 14 ); mid tibia with slight swelling just basal to midpoint, with dark sclerotization and 6–7 strong stiff black setae ( Fig. 19 ) ... (Huahine) .......................... ............................................................................................................................ mylloseta Evenhuis , n. sp.

–. Mid femur with thick black ventral seta not kinked, shaped otherwise; mid tibia with stiff black setae not restricted to medial swollen area..................................................................................................................4

4. Mid femur with bifid thick black setae ventrally ( Fig. 17 ); mid tibia relatively straight, bearing numerous stiff, spine like setae uniformly distributed, long, strong black setae only apically ( Fig. 22 ) ... (Tahaa)....... .......................................................................................................................... tahaanus Evenhuis , n. sp.

–. Mid femur with zigzagged thick black setae ventrally ( Fig. 14 ; mid tibia slightly bowed, darkly sclerotized on mesal lateral surface, mesal surface with row of strong stiff black spines on mesal surface ( Fig. 23 ) ... (Tahiti) ............................................................................................................ zigzag Evenhuis, n. sp.

Figures

FIGURES 14 – 18. Campsicnemus zigzag group male mid femur. 14. C. mylloseta; 15. C. ogradyi; 16. C. ostlinx; 17. C. tahaanus; 18. C. zigzag.

FIGURES 19 – 23. Campsicnemus zigzag group male mid tibia. 19. C. mylloseta; 20. C. ogradyi; 21. C. ostlinx; 22. C. tahaanus; 23. C. zigzag.