Table 1.
Promastigotes from gut smears were measured under light microscopy with an oil-immersion objective. MIG (Lutzomyia migonei). BRA (Leishmania (Viannia) braziliensis). LONG (Lutzomyia longipalpis). INF (Leishmania (Leishmania) infantum). PI (postinfection). EN (elongated nectomonads). SN (short nectomonads). HAP (haptomonads). MET (metacyclic promastigotes).
| Day PI | Parasite-vector | Morphological form | n | Body length | Body width | Flagellar length | |||
|---|---|---|---|---|---|---|---|---|---|
| Mean (µm) | Range (µm) | Mean (µm) | Range (µm) | Mean (µm) | Range (µm) | ||||
| 5 | MIG/INF | EN | 109 | 17.3 | 25.9-14 | 3 | 5.2-1.5 | 23.8 | 33.8-17.1 |
| SN | 76 | 11.9 | 13.9-7.3 | 3.1 | 5.9-1.6 | 13.11 | 25.3-3.2 | ||
| HAP | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| MET | 15 | 9.4 | 13.5-6.7 | 3.7 | 5.8-2.0 | 23.8 | 33.8-17.1 | ||
| MIG/BRA | EN | 53 | 15.1 | 21.1-13.0 | 2.9 | 4.5-1.8 | 16.6 | 30.4-2.8 | |
| SN | 78 | 10.2 | 12.9-5.7 | 3.1 | 5.7-1.2 | 13.8 | 23.0-6.0 | ||
| HAP | 52 | 9.7 | 12.8-3.5 | 3.4 | 5.9-1.9 | 5.8 | 12.1-1.1 | ||
| MET | 17 | 9.1 | 11.8-6.2 | 3.5 | 4.5-2.0 | 20.8 | 25.5-14.8 | ||
| LON/INF | EN | 95 | 17.4 | 26.4-14.0 | 2.3 | 3.7-1.3 | 19.1 | 29.2-5.8 | |
| SN | 93 | 11.3 | 13.9-6.0 | 2.2 | 4.3-1.2 | 13.2 | 26.6-2.0 | ||
| HAP | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| MET | 12 | 8.7 | 11.1-6.4 | 2.5 | 3.6-1.6 | 22.4 | 28.2-18.0 | ||
| LON/BRA | EN | 96 | 13.2 | 28.3-16.3 | 2.9 | 12.2-1.2 | 18.4 | 31.8-3.5 | |
| SN | 62 | 10.7 | 12.8-5.7 | 2.9 | 6.9-1.3 | 15.4 | 23.4-7.5 | ||
| HAP | 33 | 9.8 | 12.7-4.9 | 3 | 5.9-1.6 | 7.11 | 11.9-2.1 | ||
| MET | 9 | 8.4 | 12.2-2.8 | 3.1 | 5.6-1.5 | 21.3 | 27.9-12.4 | ||
| 8 | MIG/INF | EN | 109 | 16.6 | 22.5-14 | 2.8 | 4.9-1.3 | 15.2 | 24.7-2.9 |
| SN | 83 | 11.8 | 13.9-6.8 | 2.7 | 4.3-1.5 | 12.3 | 26.4-3.4 | ||
| HAP | 3 | 12.9 | 13.9-11.5 | 3 | 3.1-2.9 | 2.7 | 2.9-2.4 | ||
| MET | 5 | 8.6 | 9.5-7.6 | 2.8 | 3.3-2.0 | 19.5 | 24.7-16.9 | ||
| MIG/BRA | EN | 58 | 15 | 18.9-13.1 | 2.9 | 17.2-1.5 | 20.9 | 30.6-2.9 | |
| SN | 73 | 10.8 | 12.9-5.8 | 2.4 | 3.7-1.5 | 17 | 24.6-10.2 | ||
| HAP | 34 | 9.4 | 12.5-6.0 | 2.6 | 3.8-1.7 | 5.9 | 11.9-1.5 | ||
| MET | 35 | 9 | 12.7-4.9 | 2.6 | 2.3-1.5 | 22.7 | 30.9-14.5 | ||
| LON/INF | EN | 110 | 16.7 | 24.0-14.0 | 2.7 | 5.0-1.3 | 15.2 | 26.9-2.3 | |
| SN | 80 | 11.8 | 13.9-6.1 | 2.6 | 5.7-1.6 | 1.9 | 2.3-1.2 | ||
| HAP | 5 | 11.3 | 12.2-9.8 | 2.3 | 2.8-1.9 | 11.4 | 24.6-3.0 | ||
| MET | 5 | 9.6 | 13.2-6.9 | 3.6 | 5.1-2.2 | 23.4 | 31.1-23.4 | ||
| LON/BRA | EN | 70 | 14.6 | 21.2-9.4 | 2.3 | 5.0-1.6 | 16.3 | 30.6-3.6 | |
| SN | 78 | 10.6 | 12.9-5.5 | 2.3 | 5.0-1.3 | 15.2 | 23.7-6.2 | ||
| HAP | 37 | 10.6 | 12.7-6.5 | 2.2 | 3.5-1.2 | 6.4 | 23.7-1.8 | ||
| MET | 15 | 10.2 | 12.9-4.5 | 2 | 3.1-1.1 | 19.9 | 24.5-15.2 | ||