|
Metoecus paradoxus (Linné), sensu Yablokov-Khnzoryan [45]
|
One segmented galea atrophied, much shorter than palpomere II; lacinia short, 3 × shorter than palpomere II
|
Ligula absent
|
|
Macrosiagon spinipennis (Gerstaecker) sensu Gerstaecker [49]
|
One segmented galea as long as 4-segmented maxillary palpus; lacinia short, as long as palpomeres I and II combined
|
Labium not figured
|
|
Macrosiagon bimaculatum (Fabricius), sensu Gerstaecker [49]
|
One segmented galea 1.35 × longer than 4-segmented maxillary palpus; lacinia short, as long as palpomeres I and II combined
|
Ligula as long as 2 distal labial palpomeres, bilobed at apex
|
|
Macrosiagon bimaculatum (Fabricius), sensu Yablokov-Khnzoryan [45]
|
Two segmented galea 1.7 × longer than 3-segmented maxillary palpus, lacinia short, shorter than palpomere II
|
Ligula as long as 2 distal labial palpomeres, bilobed at apex
|
|
Macrosiagon excavatum(Champion), sensu Manfrini de Brewer [51]
|
One segmented galea atrophied, much shorter than palpomere II; lacinia prolonged, much longer than palpomeres I-III combined
|
Ligula almost as long as 2 distal labial palpomeres with two prolonged lobes
|
|
Macrosiagon flavipennis (Leconte), sensu Manfrini de Brewer [50, 51]
|
One(?) segmented galea 1.15 × longer than maxillary palpus; lacinia fused with stipes
|
Ligula absent
|
|
Macrosiagon dimidiatum (Fabricius), sensu Hentz [28]
|
One segmented galea 2 × longer than maxillary palpus; distinct lacinia as long as palpomeres I-IV combined
|
Ligula present (but drawing is too small to be commented in more detail)
|
|
Macrosiagon dimidiatum (Fabricius), sensu Williams [47]
|
Two segmented galea 1.4 × longer than maxillary palpus; fused stipes and lacinia shorter than palpomeres I-IV combined
|
Ligula much shorter than 2 distal labial palpomeres, bilobed at apex
|
|
Macrosiagon dimidiatum (Fabricius), sensu Falin [48]
|
Two segmented galea 2 × shorter than maxillary palpus; fused stipes and lacinia shorter than palpomeres I-IV combined
|
Ligula much shorter than 2 distal labial palpomeres, bilobed at apex
|
|
Macrosiagon caffrum (Fåhraeus) sensu Franciscolo [39]
|
One-segmented galea with subclavate apex, lacinia long. Palpus not figured
|
Labium not figured
|
|
Macrosiagon sp. (from Zanzibar) sensu Franciscolo [39]
|
One-segmented galea with clavate apex, lacinia knob-like. Palpus not figured
|
Labium not figured
|
|
Melanosiagon serraticornis gen. et sp. nov
|
Galea at least as long as 2 basal palpomeres
|
Ligula with two prolonged lobes
|
