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Classification
Diadocidia furnacea Chandler, 1994
Diadocidia furnacea (Classification)
Diagnostic description:Diagnosis: Based on:
The fungus gnats of Israel (Diptera: Sciaroidea, excluding Sciaridae)Etymology:
Name refers to the darker brown body coloration of the species as compared to the other Palaearctic speciesMorphology:Head: Antennae: With long setae on short basal segments; flagellum long, slender, with segments 3 times as long as broad. Coloration: Brown, grey dusted, antenna dark brown. Eyes: Eyes not produced dorsally. Ocelli: Lateral ocelli close to eye margins
Thorax: Halters: Brownish yellow. Lateral Sclerites: Pleura and mediotergite bare. Notum: Shining dark brown with grey dusting on acrostichal and dorsocentral rows, which are in 1 or 2 series, with bare stripes between these series and between the dorsostichal and the long lateral bristling; scutellum with 2 pairs of long setae among series of short marginals.
Wings: General: Yellowish with brown veins. Setation: Mostly covered with both macrotrichia and microtrichia. Venation: Sc ends on C; Sc2 before middle of vein Sc and well before base of vein RS; vein R1ends at nearly two thirds of wing length; vein R4 absent; vein R5 downturned apically; costa extends 0.4 distance from tip of vein R5 to that of vein M1; crossvein r-m, vein tb and base of vein CuA1 (M3+4) form irregular line just beyond basal third of wing, vein CuP end near the base of posterior fork; vein A1 reaches wing margin.
Legs: Colour: Yellow. Setation and Ornamentation: With long dark setae on coxae and short irregular setae on all parts; mid tibia with 2 short posterior setae; hind tibia with series of short strong setae: 2 anterior, 3 dorsal and 4 posterior on apical half; tibial spurs more than twice apical tibial width
Male Terminalia: 9th tergite: More rounded apical margin than in D. ferruginosa.
Size:Wing 4.0 mm
Distribution:Israel: Monfort
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