Nealiolus Mason, 1974

Shimbori, Eduardo M., Wengrat, Ana P. G. S., Savaris, Marcoandre, Galvão, William B., Nanini, Frederico, Garcia, Sarah S. P. & Corrêa, Alberto S., 2020, Two new species of Nealiolus Mason (Hymenoptera, Braconidae, Brachistinae) reared from pest weevils (Coleoptera, Curculionidae), Zootaxa 4729 (1), pp. 116-126 : 118-119

publication ID

https://doi.org/10.11646/zootaxa.4729.1.8

publication LSID

lsid:zoobank.org:pub:53D586E2-9516-47E8-B033-A7D207CFEFF3

persistent identifier

https://treatment.plazi.org/id/03D38735-A170-FFDF-F19A-3AD6FE20C3D6

treatment provided by

Plazi

scientific name

Nealiolus Mason, 1974
status

 

Genus Nealiolus Mason, 1974

Nealiolus Mason, 1974 . Proc. Entomol. Soc. Washington 76(3): 241. Type species: Sigalphus curculionis Fitch, 1859 ; by original designation.

Diagnosis. Body length 3‒6 mm. Head: ventral margin of clypeus without median tooth; occipital carina complete and meeting hypostomal carina ventrally; second flagellomere longer than first. Legs: tarsal claws with large basal lobe. Metasoma: carapace-like with articulated T1/T2 and more or less distinct transverse groove between T2/T3; laterotergites 2 and 3 completely fused, both are sharply separated from median tergite, laterotergite 3 strongly re- duced; ovipositor usually longer than metasoma, except for N. crassipes (slightly shorter). Other characters agree with the detailed diagnosis for Aliolus presented by Martin (1956).

Included species. Nearctic: Nealiolus acutulus ( Martin, 1956) ; Nealiolus auriculatus ( Martin, 1956) ; Nealiolus collaris (Brues, 1907) ; Nealiolus crassipes ( Martin, 1956) ; Nealiolus mexicanus (Cresson, 1872) ; Nealiolus rufus (Riley, 1871) . Neotropical: Nealiolus chayohtli Wengrat & Shimbori sp. n.; Nealiolus jaboticaba Shimbori & Wengrat sp. n. New World: Nealiolus curculionis (Fitch, 1859) (= inaratus Martin, 1956; tibiator Cresson, 1872)

Biology. Host are known for five of the nine species. Those that have been reared are solitary parasitoids in beetles of the family Curculionidae ( Coleoptera ) ( Shaw 1995).

Comments. Nealiolus is very similar to Aliolus , in having a carapace-like metasoma, the carapace formed by three segments and articulated between T1/T2, but also with distinct transverse sulcus indicating line between T2/ T3. This features separate both genera from the remainder of Brachistini . The two genera, one endemic to the New World, and the other mainly Holarctic, are distinguished by the fusion of laterotergites 2 and 3, and strong reduction of laterotergite 3 in Nealiolus , being distinctly separate and not reduced in Aliolus .

Distribution. New World.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Braconidae

Loc

Nealiolus Mason, 1974

Shimbori, Eduardo M., Wengrat, Ana P. G. S., Savaris, Marcoandre, Galvão, William B., Nanini, Frederico, Garcia, Sarah S. P. & Corrêa, Alberto S. 2020
2020
Loc

Nealiolus Mason, 1974

sensu Mason 1974
1974
Loc

Sigalphus curculionis

Fitch 1859
1859