Plocamocera
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publication ID |
https://doi.org/ 10.1206/0003-0090(2004)280<0001:CNHAEO>2.0.CO;2 |
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persistent identifier |
https://treatment.plazi.org/id/03B087FF-FFB5-FFD0-FC84-FB33A0AC428A |
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treatment provided by |
Felipe |
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scientific name |
Plocamocera |
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SPECIES OF PLOCAMOCERA
1. Diminutive, less than 4 mm; cranium usually black; elytra moderately setose, with welldefined flavotestaceous and piceous maculae (fig. 62) ( manausensis group........................ 2
1 ̍. Not diminutive, 5–7 mm; if less than 5 mm elytra with dense patches of light and dark setae, rarely with flavotestaceous maculae................. 6
2(1). Cranium bicolorous, periphery castaneous, remainder black ( Brazil: Amazonas)........................................... P. salasis , n.sp.
2 ̍. Cranium black................... 3
3(2 ̍). Antennomeres 8 and 9 very slender, nearly digitiform (fig. 183) ( Brasil: Amazonas)....... P. manausensis , n. sp.
Figs. 60–67. Elytra. 60, Plocamocera minima . 61, P. sericella . 62, 63, P. manausensis . 64, 65, P. coactilis , 66, 67, P. auratilis .
3 ̍. Antennomeres 8 and 9 more ovate (fig. 185)......................... 4
4(3 ̍). Antennomere 10 robust, only slightly longer than antennomere 9 (fig. 149) ( Brazil: Matto Grosso).... P. iota , n. sp.
4 ̍. Antennomere 10 slender, considerably longer than antennomere 9 (fig. 186) .............................. 5
5 (4 ̍). Anterior margin of protibia with one spine (fig. 78); phallobasic apodeme short and obtuse (fig. 113) ( Costa Rica: Limon).............. P. aliguantula , n. sp.
5 ̍. Anterior margin of protibia multispinous; phallobasic apodeme long and slender (fig. 114) ( Panama)............................... P. minima , n. sp.
6 (1 ̍). Metabasitarsus twice length of second metatarsomere (fig. 109) ( sesquipedalis group)........................ 7
6 ̍. Metabasitarsus not twice length of second metatarsomere (fig. 108)........ 10
7 (6). Metatibial spur unusually long, about half as long as length of metabasitarsus (fig. 137), elytral disc predominantly stramineous ( Brazil: Matto Grosso)....................... P. lucis , n.sp.
7 ̍. Metatibial spur shorter than half length of metabasitarsus (fig. 138)......... 8
8 (7 ̍). Elytral disc matted with yellowgold setae at elytral basal third, postmedial third, and at preapical region ( Costa Rica: Alajuela)........... P. prolixa , n. sp.
8 ̍. Elytral disc matted with light and brown setae......................... 9
9 (8 ̍). Distal half of ninth antennomere extensively narrowed (fig. 190); eighth antennomere narrowovate (fig. 196); phallic apex lobate ( Guyana: Demerara: Bartica. Peru: Loreto. Brazil: Rondonia)............ P. sesquipedalis , n. sp.
9 ̍. Distal half of ninth antennomere not extensively narrowed (fig. 196); eighth antennomere broadovate, subrectangulate (fig. 158); phallic apex trigonal ( Ecuador: Pichincha)... P. similis , n. sp.
10(6 ̍). Basal antennomere of antennal club subquadrate (fig. 144), always with an outer angle (fig. 194); elytra subovoid, disc always with tripartite flavotestaceous macula (fig. 56), epipleural margin distinctly flared............ 11
10 ̍. Basal antennomere of antennal club subovoid (fig. 163), rarely with an outer angle; elytra subrectangulate, disc with or without tripartite flavotestaceous macula, epipleural margin rarely flared, or only feeble arcuate.......... 21
11(10). Tenth antennomere sickleshaped (fig. 187) and considerably longer than combined length of antennomeres 8 and 9 ( French Guiana: Cayenne; Ecuador: Napo; Bolivia: Cochabamba; Peru: Amazonas; Brazil: Goias) ( castanea group); tegmen distinctly splayed at base (fig. 213)............................... P. castanea , n. sp.
11 ̍. Tenth antennomere not sickleshaped and not longer than combined length of antennomeres 8 and 9 ( confrater group) ............................ 12
12(11 ̍). Antennomere 9 not concave distally (figs. 146, 180, 188).......... 13
12 ̍. Antennomere 9 shallowly (fig. 161) or deeply (fig. 147) concave distally... ............................ 15
13(12). Epipleural margin of elytra notably arcuate (fig. 179)............... 14
13 ̍. Epipleural margin of elytra notably linear (fig. 178) ( Brazil)............................ P. specula (Klug)
14(13). Tripartite elytral post humeral flavotestaceous macula clearly defined ( Brazil: Matto Grosso).. P. quadrula , n. sp.
14 ̍. Tripartite elytral post humeral flavotestaceous macula absent ( Surinam: Saramacca)..... P. jayhawkalis , n. sp.
15(12 ̍). Antennomere 9 deeply concave distally (fig. 191) ( Venezuela: Amazonas)..................... P. baria , n. sp.
15 ̍. Antennomere 9 feebly concave distally (fig. 162)................... 16
16(15 ̍). Antennomere 9 abruptly constricted distally (fig. 217)............... 17
16 ̍. Antennomere 9 gradually narrowed distally....................... 18
17(16). Antennomeres 8 and 9 very briefly narrowed distally (fig. 217): interstitial spaces of elytra minutely arenose ( Bolivia: Santa Cruz)............................. P. buenavista , n. sp
17 ̍. Antennomere 8 and 9 more extensively narrowed distally (fig. 218); interstitial spaces of elytra smooth and shiny ( Bolivia: La Paz).... P. aura, n. sp
18(16 ̍). Antennomere 10 only slightly longer than antennomere 9 (fig. 193); aedeagus short, tegmen extensively broadened at base (fig. 215); anterodistal margin of antennomere 9 rounded.. ............................ 19
18 ̍. Antennomere 10 nearly twice length of antennomere 9 (fig. 162); anterodistal margin of antennomere 9 with subacute outer angle (fig. 194)..... 20
19(18). Anterodistal angle of antennomere 8 subacute (fig. 42); aedeagus short, broad, tegmen extensively broadened at base (fig. 112) ( Guyana: Bartica; French Guiana; Cayenne. Ecuador: Napo. Peru: Madre de Dios. Bolivia: Beni. Brazil: Rondonia; Para; Matto Grosso; Jatai; Amazonas)...................... P. confrater Kuwert
19 ̍. Anterodistal angle of antennomere 8 somewhat rounded (fig. 217) aedeagus elongate, slender, tegmen less extensively broadened at base than in previous species (fig. 214) ( Colombia: Amazonas)...... P. procera , n. sp.
20(18 ̍). Antennomere 9 subrectangulate (fig. 194); antennal club particularly robust; elytral base with discal piceous spot that is not confluent with darkened region adjacent to elytral suture ( Brazil: Matto Grosso)........................... P. pupula , n. sp.
20 ̍. Antennomere 9 not subrectangulate (fig. 162); antennal club not robust; elytral base without discal piceous spot ( Brazil: Amazonas)... P. taruma , n. sp.
21(10 ̍). Tripartite elytral posthumeral flavotestaceous macula clearly defined (fig. 64) ( coactilis group).............. 22
21 ̍. Tripartite elytral posthumeral flavotestaceous macula absent, humeral region may be slightly lighter than rest of elytral disc; piceous spot may or may not be prominent near elytral basal margin; elytral disc usually densely vested with pale setae ( sericella group).... ............................ 28
22(21). Tenth antennomere particularly narrow, with margins distinctly sinuous (fig. 198), nearly twice length of ninth antennomere (fig. 163) ( Brazil: Matto Grosso; Goias; Amazonas; Para)................... P. coactilis , n. sp.
22 ̍. Tenth antennomere not particularly narrow, margins not distinctly sinuous, only slightly longer than ninth antennomere (fig. 199)............. 23
23(22 ̍). Antennomere 8 subglobose (fig. 200), anterodistal margin not abruptly narrowed...................... 24
23 ̍. Antennomere 8 subovate (fig. 154) anterodistal margin abruptly narrowed ............................ 25
24(23). Antennomere 9 gradually narrowed along anterodistal margin (fig. 199) ( Brazil: mazonas).. P. aspera , n. sp.
24 ̍. Antennomere 9 abruptly narrowed along anterodistal margin (fig. 200) ( Brazil: Santa Catarina)..... P. santa , n. sp.
25(23 ̍). Protibial anterior margin with two spines ( Ecuador: Napo)... P. onorei , n. sp.
25 ̍. Protibial anterior margin with more than two spines.................. 26
26(25 ̍). Antennomere 10 tapered to fine point (fig. 202) ( Brazil: Matto Grosso)..................... P. bispina n. sp.
26 ̍. Antennomere 10 not tapered to fine point, more lobate (fig. 203).... 28
27(26 ̍). Antennomere 8 subovoid (fig. 203) ( Brazil: Guanabarra)............................... P. carnegei , n. sp.
27 ̍. Antennomere 8 not subrectangulate (fig. 204) ( Brazil: Distrito Federal)...................... P. paris , n. sp.
28(21 ̍). Elytral, thoracic, and cranial vestiture predominantly white; integument uniformly light castaneous ( Bolivia: Santa Cruz)....... P. argentea , n. sp.
28 ̍. Elytral, thoracic, and cranial vestiture admixture of light and dark setae; integument variegated........... 29
29(28 ̍). Epipleural margin abruptly explanate at elytral basal fourth (fig. 74)..... 30
29 ̍. Epipleural margin not explanate at elytral basal fourth.............. 32
30(29). Eighth antennomere with distinct outer angle (fig. 155) ( Costa Rica: Puntarenas; Alajuela).... P. ambra , n. sp .
30 ̍. Eighth antennomere without distinct out er angle (fig. 206)............ 31
31(30 ̍). Epipleural margin piceous; metafemur predominantly piceous ( Venezuela: Trujillo)........ P. bolivari , n. sp.
31 ̍. Epipleural margin predominantly light castaneous, sometimes with disconnected faint infuscations; metafemur predominantly or entirely flavotestaceous ( Costa Rica: Alajuela. Panama: Panama)....... P. auratilis , n. sp.
32(29 ̍). Ninth antennomere abruptly narrowed distally (fig. 208)............. 33
32 ̍. Ninth antennomere more gradually narrowed distally (fig. 211)....... 34
33(32). Margin of tenth antennomere sinuous (fig. 167) ( Trinidad)............................... P. insula , n.sp.
33 ̍. Margin of tenth antennomere not sinuous (fig. 169) ( Bolivia: Santa Cruz)................... P. selva , n.sp.
34(32 ̍). Light regions of elytra light castaneous; tegmen long, not explanate at base (fig. 117) ( Mexico to Brazil)................... P. sericella Spinola
34 ̍. Light regions of elytra approaching roseate; tegmen short, explanate at base (fig. 174) ( Brazil: Rondonia)................. P. sericellopsis , n. sp.
Figs. 68–74. Elytra. 68, 69, Plocamocera argentea . 70, 71, P. lucis . 72, 73, P. sesquipedalis . 74,
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