Published July 18, 2023
| Version v1
Dataset
Open
TABLE 2 in Larval chaetotaxy and morphometry of Megasternini: Cercyon (Paracercyon) Seidlitz, Cryptopleurum Mulsant and Pelosoma Mulsant (Coleoptera: Hydrophilidae)
Authors/Creators
- 1. Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Universidad de Buenos Aires - Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET-UBA, Laboratorio de Entomología, Intendente Güiraldes 2160, C 1428 EGA, Buenos Aires, Argentina.
- 2. Laboratorio de Investigaciones en Ecología y Sistemática Animal (LIESA). Centro de Investigaciones Esquel de Montaña y Estepa Patagónica (CIEMEP) (CONICET - UNPSJB), Roca 780, 9200 Esquel, Chubut, Argentina.
Description
TABLE 2. Comparative table of selected morphologic and chaetotaxic characters among known Megasternini larvae. Megasternum is not included since the original larval description does not include chaetotaxic characters (Quennedey, 1965).
| Character | Armostus | Cercyon | Megasternini Cryptopleurum Motonerus | Oosternum | Pelosoma | |
|---|---|---|---|---|---|---|
| Stemmata | arranged in one spot | arranged in one or two spots | arranged in one spot | arranged in one spot | arranged in one spot | arranged in one spot |
| FR1 length (L3) | long | short | short | long | long | short |
| FR5-FR6 | closely grouped | closely grouped | closely grouped | not closely grouped | closely grouped | closely grouped |
| FR8-10 | arranged in a triangle | arranged in a triangle | arranged in a triangle | arranged in a transverse row | arranged in a transverse row | arranged in a triangle |
| FR12 | short | minute | minute | minute | minute | short |
| PA12-14 | not closely grouped | closely grouped | closely grouped | closely grouped | closely grouped | not closely grouped |
| PA17 | between PA16 and PA26 | between or distal to PA26 | distal to PA26 | between PA16 and PA26 | distal to PA26 | between PA16 and PA26 |
| gAN | at least 1 long sensorium | at least 1 long sensorium | at least 1 long sensorium | all sensoria short | at least 1 long sensorium | at least 1 long sensorium |
| Basal 2° setae on MN (L3) | 2 | 2 | 2 | 1 | 2 | 2 |
| Additional pores on mandible | present distally | absent | absent | absent | absent | absent |
| # of setae gMX2 right /left (L3) | 7/7 | 7–8/7–9 | 6/6 | 5/9 | 8/8 | 8/8 |
| MX13-14 (L3) | MX13 much longer | MX13 much longer | MX13 much longer | subequal in length | subequal in length | MX13 much longer |
| MX15 | present | present | present | absent | present | present |
| MX26 | present | present | present | absent | present | present |
| MX27 | present | present | present | absent | present | present |
| Submentum | very wide | narrower | narrower | very wide | narrower | narrower |
| Prementum | sclerotized | sclerotized | sclerotized | apparently membranous | sclerotized | sclerotized |
| LA5 | pore-like? | minute | minute | long | minute | minute |
| Legs | 2-segmented | 1 or 2- segmented | unsclerotized | 1-segmented | unsclerotized | 3-segmented |
Notes
Published as part of Rodriguez, Georgina & Archangelsky, Miguel, 2023, Larval chaetotaxy and morphometry of Megasternini: Cercyon (Paracercyon) Seidlitz, Cryptopleurum Mulsant and Pelosoma Mulsant (Coleoptera: Hydrophilidae), pp. 61 in Zootaxa 5318 (1) on page 61, DOI: 10.11646/zootaxa.5318.1.2, http://zenodo.org/record/8158191
Files
Files
(4.2 kB)
| Name | Size | Download all |
|---|---|---|
|
md5:a68a7c5a473ad00bd6e27758685816d8
|
4.2 kB | Download |
System files
(11.8 kB)
| Name | Size | Download all |
|---|---|---|
|
md5:a9a949dfb40d8309b66c1c5ed08b1a3b
|
11.8 kB | Download |
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.11646/zootaxa.5318.1.2 (DOI)
- Journal article: urn:lsid:plazi.org:pub:0E715504FF81626EFF8FE343A277126B (LSID)
- Journal article: http://publication.plazi.org/id/0E715504FF81626EFF8FE343A277126B (URL)
- Journal article: http://zenodo.org/record/8158191 (URL)
- Journal article: http://zoobank.org/FE580DA6-5B95-4682-85F5-09376D4F13BE (URL)
References
- Quennedey, A. (1965) Contribution a la connaissance de quelques types larvaires de Sphaeridiinae (Col., Hydrophilidae). Travaux du Laboratoire de Zoologie et de la Station Aquicole Grimaldi, Dijon, 66, 1 - 56, 41 figs.