Published May 2, 2025
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TABLE 1 in Descriptions of the immature stages of Microvelia pulchella Westwood, 1834 (Hemiptera: Heteroptera: Gerridae)
Authors/Creators
- 1. Laboratório de Entomologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
- 2. Laboratório Interdisciplinar de Vigilância Entomológica em Diptera e Hemiptera, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brasil. & Universidade Iguaçu-UNIG, Nova Iguaçu, Rio de Janeiro, RJ, Brasil.
Description
TABLE 1. Microvelia pulchella, measurements obtained from five nymphs of each instar. All fourth instar nymphs measured would have become apterous adults if they reached this stage. Body length (BL), body width (BW), head length (HL), head width (HW), length of antennomeres I–IV (ANT I–IV), thorax length (TL), pronotum length (PL), pronotum width (PW), abdomen length (AL), abdomen width (AW), femur length (FEM), tibia length (TIB), tarsus length (TAR).
| Structure | Min. | 1 st instar Mean±SD | Max. | Min. | 2 nd instar Mean±SD | Max. | Min. | 3 rd instar Mean±SD | Max. | Min. | 4 th instar Mean±SD | Max. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BL | 0.42 | 0.46 ± 0.06 | 0.58 | 0.49 | 0.50 ± 0.05 | 0.61 | 0.63 | 0.71 ± 0.07 | 0.80 | 0.90 | 1.12 ± 0.11 | 1.18 |
| BW | 0.30 | 0.33 ± 0.02 | 0.36 | 0.36 | 0.37 ± 0.02 | 0.42 | 0.48 | 0.50 ± 0.03 | 0.56 | 0.62 | 0.64 ± 0.03 | 0.70 |
| HL | 0.14 | 0.16 ± 0.01 | 0.17 | 0.20 | 0.20 ± 0.00 | 0.20 | 0.20 | 0.21 ± 0.01 | 0.24 | 0.30 | 0.30 ± 0.02 | 0.36 |
| HW | 0.22 | 0.22 ± 0.01 | 0.24 | 0.25 | 0.26 ± 0.01 | 0.28 | 0.28 | 0.32 ± 0.03 | 0.34 | 0.38 | 0.44 ± 0.03 | 0.46 |
| ANT I | 0.06 | 0.06 ± 0.01 | 0.08 | 0.05 | 0.07 ± 0.01 | 0.07 | 0.08 | 0.08 ± 0.01 | 0.10 | 0.10 | 0.13 ± 0.02 | 0.15 |
| ANT II | 0.06 | 0.07 ± 0.00 | 0.07 | 0.07 | 0.07 ± 0.00 | 0.07 | 0.08 | 0.10 ± 0.01 | 0.10 | 0.10 | 0.10 ± 0.00 | 0.10 |
| ANT III | 0.06 | 0.06 ± 0.01 | 0.07 | 0.07 | 0.07 ± 0.00 | 0.07 | 0.08 | 0.08 ± 0.01 | 0.09 | 0.08 | 0.12 ± 0.02 | 0.14 |
| ANT IV | 0.14 | 0.16 ± 0.01 | 0.16 | 0.14 | 0.15 ± 0.01 | 0.16 | 0.14 | 0.18 ± 0.02 | 0.21 | 0.21 | 0.26 ± 0.03 | 0.30 |
| TL | 0.12 | 0.13 ± 0.01 | 0.16 | 0.16 | 0.18 ± 0.02 | 0.22 | 0.20 | 0.22 ± 0.01 | 0.22 | 0.22 | 0.29 ± 0.04 | 0.34 |
| PL | 0.04 | 0.05 ± 0.01 | 0.06 | 0.04 | 0.05 ± 0.01 | 0.06 | 0.06 | 0.07 ± 0.01 | 0.08 | 0.08 | 0.10 ± 0.05 | 0.22 |
| PW | 0.25 | 0.26 ± 0.01 | 0.28 | 0.28 | 0.30 ± 0.01 | 0.32 | 0.34 | 0.40 ± 0.03 | 0.40 | 0.46 | 0.53 ± 0.05 | 0.56 |
| AL | 0.08 | 0.10 ± 0.05 | 0.21 | 0.09 | 0.14 ± 0.03 | 0.18 | 0.20 | 0.24 ± 0.01 | 0.24 | 0.22 | 0.34 ± 0.05 | 0.36 |
| AW | 0.22 | 0.24 ± 0.01 | 0.24 | 0.23 | 0.28 ± 0.02 | 0.30 | 0.30 | 0.30 ± 0.01 | 0.32 | 0.37 | 0.44 ± 0.08 | 0.60 |
| Foreleg | ||||||||||||
| FEM | 0.10 | 0.13 ± 0.02 | 0.14 | 0.12 | 0.14 ± 0.01 | 0.15 | 0.18 | 0.20 ± 0.01 | 0.20 | 0.21 | 0.22 ± 0.07 | 0.30 |
| TIB | 0.10 | 0.11 ± 0.01 | 0.12 | 0.11 | 0.12 ± 0.01 | 0.14 | 0.12 | 0.16 ± 0.01 | 0.16 | 0.20 | 0.20 ± 0.04 | 0.30 |
| TAR | 0.09 | 0.10 ± 0.00 | 0.12 | 0.07 | 0.09 ± 0.01 | 0.11 | 0.10 | 0.11 ± 0.01 | 0.12 | 0.14 | 0.16 ± 0.01 | 0.18 |
| Middle leg | ||||||||||||
| FEM | 0.12 | 0.14 ± 0.01 | 0.17 | 0.14 | 0.15 ± 0.01 | 0.16 | 0.20 | 0.21± 0.01 | 0.22 | 0.23 | 0.28 ± 0.05 | 0.36 |
| TIB | 0.14 | 0.14 ± 0.01 | 0.18 | 0.14 | 0.15 ± 0.01 | 0.16 | 0.16 | 0.18 ± 0.01 | 0.20 | 0.25 | 0.30 ± 0.04 | 0.36 |
| TAR | 0.11 | 0.12 ± 0.01 | 0.14 | 0.14 | 0.15 ± 0.01 | 0.15 | 0.14 | 0.16 ± 0.01 | 0.19 | 0.20 | 0.23 ± 0.02 | 0.26 |
| Hind leg | ||||||||||||
| FEM | 0.14 | 0.17 ± 0.01 | 0.18 | 0.15 | 0.16 ± 0.01 | 0.18 | 0.20 | 0.22 ± 0.01 | 0.25 | 0.30 | 0.40 ± 0.07 | 0.46 |
| TIB | 0.17 | 0.20 ± 0.01 | 0.20 | 0.17 | 0.21 ± 0.02 | 0.23 | 0.23 | 0.26 ± 0.01 | 0.28 | 0.30 | 0.45 ± 0.07 | 0.50 |
| TAR | 0.12 | 0.13 ± 0.01 | 0.16 | 0.14 | 0.14 ± 0.02 | 0.15 | 0.15 | 0.16 ± 0.01 | 0.18 | 0.18 | 0.22 ± 0.02 | 0.23 |
Notes
Published as part of Raposo, Clara Christina, Mallet, Jacenir Reis Dos Santos & Moreira, Felipe Ferraz Figueiredo, 2025, Descriptions of the immature stages of Microvelia pulchella Westwood, 1834 (Hemiptera: Heteroptera: Gerridae), pp. 366 in Zootaxa 5631 (2) on page 366, DOI: 10.11646/zootaxa.5631.2.8, http://zenodo.org/record/15370716
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