Lanceobostra aetolus ( Westwood, 1859 ) Hennemann & Conle, 2024

Hennemann, Frank H. & Conle, Oskar V., 2024, Studies on Neotropical Phasmatodea XXVI: Taxonomic review of Cladomorformia tax. n., a lineage of Diapheromerinae stick insects, with the descriptions of seven new genera and 41 new species (Phasmatodea: Occidophasmata: Diapheromerinae), Zootaxa 5444 (1), pp. 1-454 : 100-102

publication ID

https://doi.org/ 10.11646/zootaxa.5444.1.1

publication LSID

lsid:zoobank.org:pub:5DE4A9DD-99F7-4E23-AD50-58DC491BB75E

persistent identifier

https://treatment.plazi.org/id/03FD87D9-FFC3-D800-FF55-F0FD2AF5E484

treatment provided by

Plazi

scientific name

Lanceobostra aetolus ( Westwood, 1859 )
status

comb. nov.

Lanceobostra aetolus ( Westwood, 1859) comb. n.

( Figs. 36A–C View FIGURE 36 , 38D–E, 38K View FIGURE 38 , 39A–D View FIGURE 39 , 40A–C View FIGURE 40 , 85F View FIGURE 85 , 91A View FIGURE 91 , 95C View FIGURE 95 , 98N View FIGURE 98 )

Bacteria aetolus Westwood, 1859: 27 View in CoL , pl. 22: 3 (♀).

Redtenbacher, 1908: 422.

Otte & Brock, 2005: 61.

Harman, 2012: 13.

López-Mora & Llorente-Bousquets, 2018: 48.

Brock & Büscher, 2022: 510.

Luna, 2022: 91.

Bacteria aetola, Shelford, 1909: 364 .

Hebard, 1923: 193. [Description of ♂]

Phibalosoma aetolus, Saussure, 1872: 174 View in CoL .

Phanocles aetolus, Stål, 1875: 81 View in CoL .

Kirby, 1904: 354.

Bostra aetolus, Brock, 1992: 53 View in CoL , fig. (egg).

Clark Sellick, 1998: 221.

Brock, 2003: 56, fig. (egg).

Bacteria sp. , Brock, 1987: 11.

= Bacteria View in CoL 4–spinosa Redtenbacher, 1908: 419. syn. n.

Shelford, 1909: 363.

Bacteria quadrispinosa, Otte & Brock, 2005: 66 View in CoL .

López-Mora & Llorente-Bousquets, 2018: 48.

Luna, 2022: 91.

Further material examined [6 ♂♂, 15 ♀♀, 28 nymphs, 1 egg]:

MEXICO (SINALOA): 1 ♂: Venvidio , Sinaloa, Mexico, VIII.11–12.1918 (J.A. Kusche); Pseudobacteria aetolus (Westw.) ♂ Hebard det. 1924 [ MHNG] ; 1 ♀: Venvidio , Sinaloa, Mexico, IX.2.1918 (J.A. Kusche); Pseudobacteria aetolus (Westw.) ♀ Hebard det. 1924 [ MHNG] ; 1 ♂: Venvidio , Sinaloa, Mexico, VIII.15.1918 (J.A. Kusche); Pseudobacteria aetolus (Westw.) ♂ Hebard det. 1926 [ NHMW, No. 820] ; 1 ♀ + 1 egg (ex ovipositor): Venvidio , Sinaloa, Mexico, VIII.1918 (J.A. Kusche); Pseudobacteria aetolus (Westw.) ♂ Hebard det. 1924 [ NHMW, No. 820] ; 1 ♀: Venvidio , Sinaloa, Mexico, VII.6–20.1918 (J.A. Kusche); Pseudobacteria aetolus (Westw.) ♀ Hebard det. 1922 [ ANSP] ; 1 ♀: Venvidio , Sinaloa, Mexico, VIII.1918 (J.A. Kusche); Hebard Collection [ ANSP] ; 1 ♀, 1 ♂ (subadult): Venvidio , Sinaloa, Mexico, VIII.1918 (J.A. Kusche); Hebard Collection [ ANSP] ; 1 ♀ (subadult): Venvidio , Sinaloa, Mexico, VI.16.1918 (J.A. Kusche); Hebard Collection [ ANSP] ; 1 ♀: Venvidio , Sinaloa, Mexico, VIII.20.1918 (J.A. Kusche); Hebard Collection [ ANSP] ; 1 ♀: Venvidio , Sinaloa, Mexico, VIII.21.1918 (J.A. Kusche) [ ANSP] ; 2 ♀♀: Venvidio , Sinaloa, Mexico, VIII.12.1918 (J.A. Kusche) [ ANSP] ; 1 ♂ (subadult): Venvidio , Sinaloa, Mexico, VI.16.1913 (J.A. Kusche); Hebard Collection [ ANSP] ; 2 ♀♀, 1 ♂: Venvidio , Sinaloa, Mexico, VIII.11–12.1918 (J.A. Kusche); Hebard Collection [ ANSP] ; 2 ♂♂: Venvidio , Sinaloa, Mexico, VIII.11– 12.1918 (J.A. Kusche) [ ANSP] ; 1 ♀: Venvidio , Sinaloa, Mexico, VIII.15.1918 (J.A. Kusche) [ ANSP] ; 1 ♂: Venvidio , Sinaloa, Mexico, VIII.11–12.1918 (J.A. Kusche); Bostra aetolus ♂ (Westw.), Det. Hebard, 1922, Hebard Cln. [ ANSP] ; 1 ♀: Venvidio , Sinaloa, Mexico, VIII. 1918 (J.A. Kusche); Bostra aetolus ♀ (Westw.), Det. Hebard, 1922 [ USNM] ; 1 ♀: O 18 ♀ Guayamas, Alfr. Bulled. 12.11.83; 73; PHA 96 Zoologisches Museum Hamburg [ ZMUH] ; 1 ♀: O 4 ♀ Mazatlan, Get. Meyer d. 1319; 74; PHA 123, Zoologisches Museum Hamburg [ ZMUH] ; 21 ♀♀ (nymphs), 5 ♂♂ (nymphs): Mexico: Sinaloa, Chele , 300 ft., 2 April 1953, 78 I. J. Cantrall [ UMMZ] .

Diagnosis. This is the northernmost distributed species of the genus and ♀♀ show remarkable variability concerning to the size and various morphological features (see below). Males are very similar to those of L. jaliscensis ( Rehn, 1904) comb. n. from Jalisco (Tuxpan) and L. margaritata ( Redtenbacher, 1908) comb. n. from Nayarit. They mainly differ from jaliscenis by the larger size (body length of jaliscensis 92.0–93.0 mm) and shape of the anal segment, which is narrowed with a distinctly impressed medio-longitudinal furrow in the apical portion and has the posterior margin distinctly indented ( Fig. 40B View FIGURE 40 ; rectangular in outline with the posterior margin almost straight in jaliscensis with the posterolateral angles arched downwards). From margaritata the ♂♂ can mostly be separated by characters of the terminalia, such as having two torn-pads on the ventral surface of the anal segment ( Fig. 95C View FIGURE 95 ; entire apical one-third of the ventral surface of the anal segment covered with black denticles to form a single big thorn-pad in margaritata ), medially indented posterior margin of the poculum (entire in margaritata ) and the distinctly impressed medio-longitudinal furrow in the apical half of the anal segment ( Fig. 40B View FIGURE 40 ). Females are particularly similar to those of L. margaritata , L. oaxacae sp. n. and L. chapalaense sp. n. From the first species they may be separated by the stockier shape (mesonotum 7.5x vs. 8.2x in margaritata ), proportionally shorter and stockier legs and presence of a dorso-median lobe on the basitarsi (no lobe in margaritata ). From oaxacae sp. n. they differ by the more elongate and posteriorly narrowing head ( Figs. 38D–E View FIGURE 38 ; ovoid in oaxacae ), apically narrowed and deeply notched anal segment ( Figs. 39B–C View FIGURE 39 ; roundly truncated and almost with the posterior margin almost straight in oaxacae ), two long and converging black spiniform processes of the praeopercular organ ( Fig. 91A View FIGURE 91 ; very indistinct and only represented by two small, carinate swellings in oaxacae ) and dorsally lobed basitarsi (not lobed in oaxacae ). From chapalaense sp. n. ♀♀ of this species can be distinguished by the different armature of the head, more decidedly tubercular thorax, differently shaped anal segment and more spaced lobes of the praeopercular organ. The occasional presence of a posterolateral lobe of abdominal tergum VII, and scale-like posteromedian projection on abdominal terga II and V.

Eggs ( Fig. 98N View FIGURE 98 ). The following description is based on a single example extracted from the operculum of a ♀ from Venvidio , Sinaloa in the collection of ANSP .

Fairly small, roundly angular in lateral aspect with the anterodorsal portion roundly convex and slightly gradually narrowed towards the rather flattened polar area; lateral surfaces parallel to each other. Capsule surface very minutely granulose, slightly shiny and unevenly covered with irregular raised ridges and keels; these most pronounced around micropylar plate and polar area but missing in central portion of lateral surfaces. Micropylar plate somewhat more than two-thirds the length of capsule, shape elongate-oval with the posterior end slightly pointed and about 3.7x longer than wide; outer margin somewhat inflated, outer portion smooth and the central area unevenly rugose and bulgy. Micropylar cup represented by an obtuse, rounded swelling near polar end of plate. Median line short but distinct. Operculum oval and with a moderately prominent hollow capitular structure formed by membranous extensions of the outer margin; height about one-fifth of capsule length. Colour of capsule fairly plain ochre with the area surrounding the micropylar plate more yellowish and the polar area chestnut brown; micropylar plate slightly darker than capsule and micropylar cup reddish mid brown. Capitulum straw.

Measurements [mm]: length (including capitulum) 3.3, length 2.7, width 1.7, height 1.9, length of micropylar plate 1.8.

Variability. Females show remarkable variability concerning to the size (see table 14 below), length of the subgenital plate, presence or absence of a posteromedian scale-like lobe on abdominal terga II and V and a posterolateral lobe on tergum VII ( Figs. 39 View FIGURE 39 BVC), as well as the armature of the head and legs. This is well seen in the series of specimens in the collection of ANSP. The holotype and ♀ in the collection of NHMW generally agree in most characters, except for the latter being noticeably smaller, whereas the MHNG ♀ is remarkable for having the head, body and leg armature considerably less developed. A posterolateral lobe on abdominal tergum VII and scale-like posteromedian lobe in terga II and V is present in the holotype and ♀ in NHMW, although the posterolateral lobe of VII is smaller and less acute in the latter specimen. All those lobes are completely absent in the MHNG ♀. Both, the holotype and ♀ in NHMW bear a pair of large, crenulate and laterally compressed lobes between the eyes, each of which is accompanied by a small spine interiorly. In the MHNG ♀ the exterior lobes are strongly reduced and merely represented as blunt spines, which are scarcely larger than the two interior spines, and together form a transverse row of four almost equally sized spines. The holotype has the leg armature strongly developed, the sub-basal ventral lobe being very prominent and trifid (mesofemora) or bifid (metafemora), the sub-basal dorsal lobe of the meso- and metatibiae very prominent, and the basitarsi all with a ± distinct rounded dorsal lobe. These lobes are all present in the ♀ in NHMW, but are almost absent in the MHNG ♀, which only has a small sub-basal dorsal lobe on the meso- and metatibiae and the sub-basal ventral lobe of the meso- and metafemora just very faintly indicated.

Comments. The holotype ♀ of Bacteria quadrispinosa Redtenbacher, 1908 was previously not traced in the collection of ZMUH but search in the collection has located the specimen and shown it had just remained unrecognised. Weidner (1966) and Zompro (2002) completely omitted it in their type catalogues of the ZMUH collection. Examination has proven it merely is a large ♀ of L. aetolus ( Westwood, 1859) that lacks the sub-basal ventral lobes of the meso- and metafemora and has a transverse row of four small spines in the anterior portion of the vertex, that is also found in some specimens of the fairly large series in ANSP. Consequently, B. quadrispinosa is here synonymised with Westwood’s species (syn. n.).

Table 14: Measurements of Lanceobostra aetolus ( Westwood, 1859) comb. n.

MHNG

Museum d'Histoire Naturelle

NHMW

Naturhistorisches Museum, Wien

ANSP

Academy of Natural Sciences of Philadelphia

USNM

Smithsonian Institution, National Museum of Natural History

ZMUH

Zoological Museum, University of Hanoi

UMMZ

University of Michigan, Museum of Zoology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Phasmida

Family

Phasmatidae

Genus

Lanceobostra

Loc

Lanceobostra aetolus ( Westwood, 1859 )

Hennemann, Frank H. & Conle, Oskar V. 2024
2024
Loc

Bacteria quadrispinosa

Otte, D. & Brock, P. 2005: 66
2005
Loc

Bostra aetolus

Brock, P. D. 1992: 53
1992
Loc

Bacteria sp.

Brock, P. D. 1987: 11
1987
Loc

Bacteria aetola

Shelford, R. W. C. 1909: 364
1909
Loc

Bacteria

Redtenbacher, J. 1908: 419
1908
Loc

Bacteria aetolus Westwood, 1859: 27

Westwood, J. O. 1859: 27
1859
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