Micaria, Westring, 1851

Booysen, Ruan & Haddad, Charles R., 2021, Revision and molecular phylogeny of the spider genus Micaria Westring, 1851 (Araneae: Gnaphosidae) in the Afrotropical Region, Zootaxa 4940 (1), pp. 1-82: 18-25

publication ID

https://doi.org/10.11646/zootaxa.4940.1.1

publication LSID

lsid:zoobank.org:pub:5F073867-F6EA-4222-A190-77F68076BE9C

DOI

http://doi.org/10.5281/zenodo.4739035

persistent identifier

http://treatment.plazi.org/id/03AC3314-9C23-FFDE-7CBD-F9A7FA52FD1B

treatment provided by

Plazi

scientific name

Micaria
status

 

Key to the Micaria   species of the Afrotropical Region (excluding Arabian Peninsula).

1) Males .............................................................................................. 2

- Females............................................................................................ 18

2) Retrolateraltibial apophysis (RTA) absent ( Figs 146, 150 View FIGURES 145–150 , 160 View FIGURES 157–160 , 168 View FIGURES 165–168 ) ............................................. 3

- Oneormore RTAspresent ( Figs 112 View FIGURES 109–112 , 120 View FIGURES 117–120 , 124 View FIGURES 121–124 , 148 View FIGURES 145–150 , 164 View FIGURES 161–164 ) ..................................................... 6

3) Palpaltibiamorethan 0.5 timescymbiumlength ( Figs 111, 112 View FIGURES 109–112 , 115, 116 View FIGURES 113–116 ) ........................................ 5

- Palpaltibialessthan 0.5 timescymbiumlength ( Figs 149, 150 View FIGURES 145–150 , 159, 160 View FIGURES 157–160 )......................................... 4

4) Embolus broadest in middle, tapered from middle to tip; two ventral terminal spines confined to prolateral half of cymbium ( Fig. 149 View FIGURES 145–150 arrows); spermductcurveshalfwaybetweenmiddleandbaseof tegulum ( Figs 27 View FIGURES 27–36 , 149 View FIGURES 145–150 ) .. M. parvotibialis   sp. nov.

- Embolus equal in thickness, tapering near tip; sperm duct makes ¾ circle following tegular ridge before ending at embolus base; twoventralterminalspineswidelyseparated ( Figs 32 View FIGURES 27–36 , 159 View FIGURES 157–160 ) ........................ M. quinquemaculosa   sp. nov.

5) Embolus broad at base, leaf–like, tapered to short tip; median apophysis broad and facing ventrally; three ventral terminal spinesintransverserowwithmiddlespinemoreproximalthanlateralspines ( Figs 25 View FIGURES 18–26 , 145 View FIGURES 145–150 ) .............. M. laxa   sp. nov.

- Embolus thin and elongate, curving inwards towards center; median apophysis thin, curving sharply inwards and downwards; characteristic “kink” in lower retrolateral section of sperm duct; three ventral terminal spines in straight transverse row in front of embolus ( Figs 36 View FIGURES 27–36 , 167 View FIGURES 165–168 ). .......................................................... M. tersissima Simon, 1910  

6) Two RTAspresentonpalpaltibia ( Figs 16 View FIGURES 9–17 , 124 View FIGURES 121–124 ) ............................................. M. bispicula   sp. nov.

- One RTApresentonpalpal tibia. ......................................................................... 7

7) RTAlocatedonapical ridgeof palpaltibia ( Figs 116 View FIGURES 113–116 , 128 View FIGURES 125–128 ).................................................... 10

- RTAlocatedsub–apically ( Figs 120 View FIGURES 117–120 , 142 View FIGURES 141–144 , 148 View FIGURES 145–150 ) .............................................................. 8

8) RTAlocatedat leastmidwayonpalpaltibia ( Figs 26 View FIGURES 18–26 , 148 View FIGURES 145–150 ). .................................. M. mediospina   sp. nov.

- RTAlocatedsub-apically, nomore thantwiceitslengthawayfrom apex. ......................................... 9

9) Embolus large and curved laterally inwards, with tip almost perpendicular to base; median apophysis large, broadest at base; small bent tip; three ventral terminal spines in front of embolus with retrolateral spine more distal than rest; both sexes with two largewhite spotsonabdomen ( Figs 14 View FIGURES 9–17 , 119, 120 View FIGURES 117–120 )........................................... M. bimaculata   sp. nov.

- Embolus moderate in size with sharp elongate tip slanting inwards; median apophysis similar in size to embolus and thin; two ventralterminalspinesinfrontof embolus; abdomenwithoutspots ( Figs 23 View FIGURES 18–26 , 141, 142 View FIGURES 141–144 ) ............. M. koingnaas   sp. nov.

10) RTAlocatedondorsalsurfaceof palpaltibia. .............................................................. 11

- RTAlocatedonretrolateral surfaceof palpaltibia........................................................... 12

11) Median apophysis large; located centrally on tegulum and slightly prolaterally; embolus elongate straight and slanting towards midline of tegulum; three ventral terminal spines present with two in front of embolus and one small one retrolaterally; RTA small ( Figs 10 View FIGURES 9–17 , 111, 112 View FIGURES 109–112 ) ............................................................. M. basaliducta   sp. nov.

- Median apophysis located above center towards prolateral margin of tegulum, sharply curved and facing slightly prolaterally; embolus curved retrolaterally, short with broadened base; two ventral terminal spines located anteriorly and proximally to embolus ( Figs 10 View FIGURES 9–17 , 115, 116 View FIGURES 113–116 ) ......................................................... M. beaufortia ( Tucker, 1923)  

12) Tibia Iwith no ventral spines; embolus with short tip; median apophysis large, thickened basally, tip curved prolaterally; sperm ductwithbasalloopslightlyskewedretrolaterally, U-shaped ( Figs 29 View FIGURES 27–36 , 153, 154 View FIGURES 151–154 ) ...................... M. plana   sp. nov.

- Tibia Iwith two prolateral ventral and two retrolateral ventral spines; median apophysis structurally otherwise.......... 13

13) Basalloopof spermductwithsmallerandsharperbend, usuallyextendingintomiddleof tegulum ( Fig. 163 View FIGURES 161–164 ) ........... 14

- Basal loop of sperm duct with large bend, extending distally past midpoint of tegulum ( Fig. 127 View FIGURES 125–128 )..................... 15

14) Median apophysis located off–centre retrolaterally; embolus with broad base and thin tip slanting towards middle of tegulum ( Figs 34 View FIGURES 27–36 , 163, 164 View FIGURES 161–164 ) ..................................................................... M. sanipass   sp. nov.

- Median apophysis large, thin and curved inwards, located centrally towards apical margin of tegulum; embolus elongate with moderatelybroadbase, tiponlyslightlyslantingprolaterally ( Figs. 20 View FIGURES 18–26 , 135, 136 View FIGURES 133–136 )....................... M. felix   sp. nov.

15) Abdomen uniform in colour and with two small white spots close to anterior margin; embolus straight with thin short tip; sperm ductendinginslightcurvedtube; darkbrowntoblackincolour ( Figs 17 View FIGURES 9–17 , 127 View FIGURES 125–128 ) ................. M. chrysis ( Simon, 1910)  

- Abdomen divided into two parts by median transverse constriction (usually light in colour), with anterior half sometimes lighter thanposteriorhalf ( Figs 18, 19 View FIGURES 18–26 ); embolusandspermduct otherwise ............................................ 16

16) Scutum broad (in males only), covering most of anterior half of abdomen; embolus broad at base, slightly curved retrolaterally attip ( Figs 35 View FIGURES 27–36 , 165, 166 View FIGURES 165–168 ) ............................................................... M. scutellata   sp. nov.

- Scutum narrow or barely visible, when present only 1/3 width of abdomen; embolus broad at base, tip slightly or sharply curved retrolaterally ( Figs 18, 21 View FIGURES 18–26 , 131, 132 View FIGURES 129–132 , 139, 140 View FIGURES 137–140 ) ............................................................. 17

17) Median apophysis thick (ventral view); sperm duct ending in elongate open curve posterior to embolus; embolus with short tip; retrolateralspineoncymbiumpresent atheightof tipof embolus; lightbrown toyellow incolour ( Figs 19 View FIGURES 18–26 , 131 View FIGURES 129–132 ). .......... .................................................................................... M. durbana   sp. nov.

- Median apophysis thin (ventral view); sperm duct ending in short sharply curved tube well below embolus base; embolus tip elongate; retrolateralspineoncymbiumpresentatbaseof embolus; browntodarkbrownincolour ( Figs 22 View FIGURES 18–26 , 139, 140 View FIGURES 137–140 ) ..... ..................................................................................... M. gagnoa   sp. nov.

18) Anteriorhoodofepigynedividedintotwoparts ( Figs 109 View FIGURES 109–112 , 113, 114 View FIGURES 113–116 , 118 View FIGURES 117–120 , 143 View FIGURES 141–144 , 151 View FIGURES 151–154 , 155 View FIGURES 155–156 , 157 View FIGURES 157–160 ) ....................... 19

- Anteriorhoodof epigynecontinuous ( Figs 121 View FIGURES 121–124 , 125 View FIGURES 125–128 , 129 View FIGURES 129–132 , 133 View FIGURES 133–136 , 161 View FIGURES 161–164 ) ............................................ 24

19) Copulatory ducts with short, secondary duct below midpoint of duct; copulatory ducts elongate and aligned parallel to each otheruptoheightof anteriorhood ( Figs 9 View FIGURES 9–17 , 109, 110 View FIGURES 109–112 ) ....................................... M. basaliducta   sp. nov.

- Copulatory ducts without any secondary ducts; other characters variable......................................... 20

20) Copulatory ducts narrowed and curved closely above spermathecae, extending laterally towards tapered tip; anterior hood close copulatoryducts; posteriorpocketslocatedcentrallyastwoverticalsclerites ( Figs 28 View FIGURES 27–36 , 151, 152 View FIGURES 151–154 ) ......... M. plana   sp. nov.

- Copulatory ducts rounded at tip, or bulbous, but if tapered then thickened at base ( M. lata   ) ( Figs 113, 114 View FIGURES 113–116 , 143, 144 View FIGURES 141–144 , 155, 156 View FIGURES 155–156 , 159, 160 View FIGURES 157–160 ). .......................................................................................... 21

21) Anteriorhoods widelyseparated ( Figs 113 View FIGURES 113–116 , 117 View FIGURES 117–120 , 155 View FIGURES 155–156 ). ....................................................... 23

- Anteriorhoodsclosetoeachother, separatedbynomorethanhalfthelengthofonesection ( Figs 143 View FIGURES 141–144 , 157 View FIGURES 157–160 ) ............ 22

22) Copulatory ducts bifurcated and closely bent backwards over itself with apices not extending past interior margin of spermathecae; anteriorhoodalmosttouchingin middle; nodorsalspotsvisibleinholotype ( Figs 24 View FIGURES 18–26 , 143, 144 View FIGURES 141–144 )..... M. lata   sp. nov.

- Copulatory ducts without any bifurcation and separated from spermathecae; five spots present on abdomen, three medially and 2 (may sometimes fade) anteriorly ( Figs 31 View FIGURES 27–36 , 157, 158 View FIGURES 157–160 ) ................................. M. quinquemaculosa   sp. nov.

23) Posterior pockets located basal to spermatheca, presenting as elongate laterally expanding structures with inwards curve on outer lateral ends; abdomen dark brown with median white band and white (sometimes dotted) longitudinal stripe from median bandtowardsspinnerets; anteriorhoodscurved ( Figs 11 View FIGURES 9–17 , 113, 114 View FIGURES 113–116 )… ...................... M. beaufortia ( Tucker, 1923)  

- Anterior hood elongated, curving around copulatory openings; copulatoryducts square-shaped, posterior pockets elongate Lshaped, extending up to copulatory openings; abdomen light brown with two antero-lateral white markings, median white stripe onposteriorhalf intersectingwithmedianwhitetransverse band. ( Figs 30 View FIGURES 27–36 , 155, 156 View FIGURES 155–156 ). ............... M. quadrata   sp. nov.

24) Anterior hood “wave–like” with middle section procurved and lateral section recurved; copulatory ducts short and thick, with bifurcatingapices ( Figs 15 View FIGURES 9–17 , 121, 122 View FIGURES 121–124 ) ..................................................... M. bispicula   sp. nov.

- Anteriorhoodentirelyrecurved; copulatoryductselongate ................................................... 25

25) Abdomen with two small white spots anteriorly; black to dark brown in colour; moderately sized atrium, curved anterior hood that is slightly flattened in middle, posterior pockets present centrally on epigyne as two longitudinal sclerites ( Fig. 17 View FIGURES 9–17 , 125, 126 View FIGURES 125–128 )............................................................................. M. chrysis ( Simon, 1910)  

- Abdomenpatternvariable; anteriorhoodotherwise ......................................................... 26

26) Anteriorhoodstronglycurved ( Figs 133 View FIGURES 133–136 , 137 View FIGURES 137–140 ) ............................................................. 27

- Anteriorhood flattened, withonlytipscurvingslightly ( Figs 129 View FIGURES 129–132 , 161 View FIGURES 161–164 ). ......................................... 28

27) Atriumlarge; anteriorhoodelongate; spermathecaewiderthanlong ( Figs 21 View FIGURES 18–26 , 137, 138 View FIGURES 137–140 ) ............... M. gagnoa   sp. nov.

- Atriumnormal; anteriorhoodshort; spermathecaelongerthanwide ( Figs 133, 134 View FIGURES 133–136 ) .................... M. felix   sp. nov.

28) Anteriorhoodbroadandelongate, extendingfarlaterally, closeto spermathecae; brown incolour ( Figs 33 View FIGURES 27–36 , 161, 162 View FIGURES 161–164 ). ...... .................................................................................... M. rivonosy   sp. nov.

- Anterior hood normal, hardly extending laterally to copulatory openings; tips of anterior hood curved sharply downwards; yellowtolightbrownincolour ( Figs 18 View FIGURES 18–26 , 129, 130 View FIGURES 129–132 ) .............................................. M. durbana   sp. nov.