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The Prosoeca peringueyi (Diptera: Nemestrinidae) pollination guild in southern Africa: long-tongued flies and their tubular flowers


Abstract | Materials and Methods | Results | Discussion | Literature

Table 4

Pollinator characteristics and effective tube length of species with the Lapeirousia silenoides-type flower. Measurements of insect mouthparts were made from individuals collected on the plant species concerned. Dash in column three reflects no pollinator recorded on that species.

Family/species Anther to base of tube (mm) Pollen deposition site Insect tongue length (mm)
Plants pollinated (or inferred to be pollinated) by Prosoeca peringueyi
Geraniaceae
Pelargonium cortusifolium ca. 35 ventral head -
P. crassicaule 18-35 ventral head -
P. echinatum 30-58 ventral head -
P. incrassatum 44-52 ventral thorax 28-33
P. magenteum 37-53 ventral head 30-35
P. sericifolium 43-66 ventral head 35-40
Iridaceae
Babiana curviscapa 40-55 dorsal thorax 25-28
B. dregei 47-53 dorsal thorax 25-28
B. ecklonii 52-65 dorsal thorax -
B. framesii 45-50 dorsal thorax 30-35
B. geniculata 46-55 dorsal thorax -
B. pubescens ca. 62 dorsal thorax 32-35
B. sambucina
var. unguiculata
38-55 dorsal thorax -
Geissorhiza kamiesmontana 23-32 ventral head -
Hesperantha latifolia 20-35 ventral head 20-25
H. purpurea ca. 25 ventral head -
Lapeirousia dolomitica subsp. dolomitica 25-45 frons 30
L. dolomitica subsp. lewisiana 40-50 frons -
L. jacquinii 35-45 frons 32-35
L. pyramidalis subsp. regalis 45-55 frons 32-34
L. silenoides 45-60 frons 35-40
L. violacea 40-45 frons 32-35
Sparaxis variegata
subsp. metelerkampiae
40-45 frons 32-35
Tritonia marlothii 27-46 frons -
Xenoscapa uliginosa 27-32 frons -
Plants pollinated (or inferred to be pollinated) by Prosoeca sp nov.
Iridaceae
Babiana flabellifolia 50-70 frons 40-45
B. framesii 45-50 dorsal thorax 40-48
B. sambucina
var. longibracteata
35-55 dorsal thorax -
Hesperantha oligantha 30-40 ventral head -
Lapeirousia jacquinii 35-45 frons 40-45
L. oreogena 55-65 ventral head 40-48
Romulea hantamensis 60-75 frons 40-45

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