90a (89a). Mesonotal suture (= dorsal sclerite of mesothorax) transverse, not V-shaped..……............... 91

90b. Mesonotum with an entire V-shaped suture; females with long sclerotized ovipositor

(Figs.A-C) (larvae are predators of aquatic or semiaquatic arthropods)

..............................................................................................……...............................(Diptera) Tipulidae

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A B C

D E