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1 |
Cribellum absent |
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- | Cribellum present |
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2 (1) |
Six eyes |
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- | Eight eyes |
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3 (2) |
Retrotibial apophysis as long as tibia, tip of conductor coiled, insemination duct short and wide |
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- | Retrotibial apophysis small, invisible, insemination ducts long and thin |
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4 (2) |
Conductor very long upper arm, longer than cymbium, retrotibial apophysis sharply pointed, epigyne with coiled insemination ducts, no distinct fovea and no septum |
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- | Upper arm of conductor undeveloped, epigyne with fovea or septum |
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5 (4) |
Retrotibial apophysis present, wide and not tapering epigynal fovea distinct (Cicurina paphlagoniae is obviously misplaced in this genus) |
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- | Retrotibial apophysis absent, tip of conductor straight, embolus short, epigyne with septum (intertidal species) |
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6 (1) |
6 eyes, no yellowish pattern |
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- | 8 eyes |
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7 (6) |
Cribellum divided (bipartite) |
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- | Cribellum undivided (entire) |
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8 (7) |
Dark coloured, almost black, no white (guanine) pigmentation, palp with ctenidia (=small process on tibia, bearing very small spines), epigyne with ridges Dictyna |
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- | Bright green or red with white (guanine) pigmentation, male palp with small patellar apophysis |
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9 (7) |
Legs with spines |
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- | Legs without spines |
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10 (9) |
Minute (< 2 mm), spines either strong and large or small, cymbium unmodified, receptacles bean-shaped to oval |
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- | Medium sized (> 2mm), spines normal on all legs, cymbium with basal fold, epigyne with septum, receptacles round |
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11 (9) |
Male palp with ctenidia (=small process on tibia, bearing very small spines), epigyne with ridges (cave: no ctenidia in Archaeodictyna ammophila which shall key out here) |
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- | Male palp without ctenidia, epigyne without ridges |
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12 (11) |
Cephalic part of the prosoma strongly raised in males, epigyne shows anterior to the epigastric furrow two dark receptacula, close to each other |
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- | Cephalic part of the prosoma not strongly raised in males, epigynal ridges present |
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13 (12) |
Male chelicera with lateral boss, embolic base in centre of tegulum, makes more than 360° loop, opisthosoma dark with light transverse spot in caudal half |
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- | Male without lateral boss, embolic base on prolateral-basal side or central-basal, opisthosoma with dark pattern on light background |
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14 (13) |
Embolus thick, not long (starts from 8-9 o’clock) |
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- | Embolus thin, from not long to long (starts from 6 to 9) Dictyna |
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15 (11) |
Retrotibial apophysis long, almost as long as cymbium, epigyne as figure |
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- | Retrotibial apophysis not long, epigyne different |
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16 (15) |
Male palpal patella with conical outgrowth or apophysis, receptacles round, epigyne with one shallow fovea or 2 distinct fovea, insemination duct long or very long, often with white (guanine) spots on opisthosoma Lathys |
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- | Male palpal patella without outgrowth or conical apophysis, opisthosoma without white spots, epigyne variable |
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17 (16) |
Basal arm of conductor stretching dorsally, screw like or spine like, epigyne with one or two fovea, insemination duct long or very long, receptacles round Lathys |
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- | Different |
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18 (17) |
Tip of conductor long and coiled, epigyne weakly sclerotized as figure (only northern Fennoscandia and Caucasus) |
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- | Tip of conductor not long and not coiled, epigyne different |
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19 (18) |
Tip of conductor stretching posteriorly, retrotibial apophysis not wider than tibia, epigyne weakly sclerotized |
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- | Tip of conductor bent, retrotibial apophysis wider than tibia, fovea strongly chitinised (only northern Fennoscandia) |
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20 (1) |
There is only one species in this enigmatic genus. It has been described as a new species 1884 by Simon, collected between grass bunches at the Spanish sea shore, but was obviously never recollected. The description contains no figures. |