Microtomus tibialis Stichel, 1926,

Coscaron, María Del Carmen, Melo, María Cecilia & Cuello, Nora, 2003, Synonymizing Microtomus sticheli Costa Lima, 1935 under M. tibialis Stichel, 1926 and redescription of the species (Heteroptera: Reduviidae), Zootaxa 288, pp. 1-6: 2-3

publication ID

http://doi.org/ 10.5281/zenodo.156906

publication LSID

lsid:zoobank.org:pub:0DB73543-EEF2-44EE-BD57-D3DE0E4E4A79

persistent identifier

http://treatment.plazi.org/id/1F038796-FFCB-FE6D-0338-FB90C235FA51

treatment provided by

Plazi

scientific name

Microtomus tibialis Stichel, 1926
status

 

Microtomus tibialis Stichel, 1926 

Figs. 1–18.

Microtomus tibialis Stichel, 1926  ; 6: 180–184.

Microtomus sticheli  Costa Lima, 1935; 7: 316–321. New Synonymy.

Body compressed dorsoventrally, color dark brown ( Fig. 1).Total length 20.5–24.9 (mean = 23.39). Head cylindrical and elongate, with abundant granulations and setae ( Fig. 2). Length 3.1–3.92 (mean = 3.48), width 3.29–3.54 (mean = 2.97). Anteocular region much longer than postocular one. Eyes very prominent and lateral, with black and golden spots, reduced posteriorly. Behind them, close to neck, light brown areas. Width of eyes 0.88– 1.52 (mean = 1.21). Length of interocular space 1.06–1.43 (mean = 1.26). Ocelli present between eyes, color light brown; anterior to ocelli, two triangular light brown areas are present without granulations or setae. Rostrum curved, brown, except distal portion of each segment light brown or reddish brown, with abundant setae ventrally. In some specimens, first segment with external longitudinal light brown stripe. Length 3.29–4.5 (mean= 3.59). Ratio of length of segments ca. 1: 1.81: 3.44. Antenna inserted at middle of anteocular region. Antenna dark brown, setose. Length 11.64–13.54 (mean = 11.4). Ratio of length of segments ca. 1: 0.08: 0.22: 0.37. Second segment with 33­35 articles. Neck dark brown, without granulations or setae. Thorax dark brown, with granulations and setae.

Humeral angles of pronotum with short protuberances. Scutellum with granulations and setae, posterior process as Fig. 3. Length 4.8–5.69 (mean = 5.59), width 5.7–6.8 (mean = 6.6). Legs with abundant setae and granulations, more conspicuous on fore and middle legs, color dark brown, except red rounded spot in middle of femur III, sometimes reaching distal portion. Femora I and II enlarged medially. Tibia brown or reddish brown, very pilose. Spongy fossula on tibia I and II. Tarsi brown, with setae. Hemelytra dark brown, except variable yellowish­white stripe on chorion and clavus ( Fig. 4–9). In males, hemelytra reaching posterior border of abdomen, in females, not reaching posterior border of abdomen. Length 12.53–15.82 (mean = 14.37). Abdomen dark brown, pilose, without granulations. Males with setose area in central part of segments 2,3, 4 ( Fig. 10). Length 9.62–13.16 (mean = 10.25), width 6–10.76 (mean = 7.58). Connexivum dark brown with colored area on every segment ( Fig. 11–13). Color varing from yellowish white, to reddish light brown; with setae but without granulations.

Male: Figs. 14–16. Parameres ( Figs. 14–15) curved, acute distally, with abundant long setae medially in the external surface; pygophore ( Fig. 16) subrounded with sparse long setae.

Female: Figs. 17–18. Gonocoxite VIII ( Fig. 18) with abundant short and sparse long setae; gonapophysis VIII ( Fig. 18) with two short setae distally; gonocoxite IX ( Fig. 17) with long setae.

Geographic distribution: Brazil: Minas Gerais 19 º S, 44 º 9 ’ W; Goiás 15 º 56 ’ S, 49 º 59 ’ W; Matto Grosso 15 º 1 ’ S, 59 º 44 ’ W; Bolivia: Santa Cruz 17 º 47 ’ S, 63 º 4 ’ W.

Material studied: Holotype, female, Lassance g. 935, R. Pereira, 2194, M. sticheli  Costa Lima ( IOC); Alotype, male, M. sticheli  Costa Lima, Costa Lima det. ( IOC); Brazil: Minas Gerais: Pedra Azul. XI­ 1970, F.M. Oliveira. ( AMNH); 4 males 3 females, Sta. Victoria, II­ 1970, F.H. Oliveira ( AMNH); 1 male, Bahia: Divisa Km 965 ruta Est. de Rio a Bahia. XI­ 1971, C.A.C. Seabra ( AMNH); 1 male, Encruzilhada, 960m, XI­ 1972, Alvarenga ( AMNH); 1 male, Goiás: Jatal, XI­ 1971. F.M.Oliveira ( AMNH); 1 female, Viannopolis, coll. R Spitz III­ 1930. 2197, em pau padre, ( IOC); BOLIVIA: 1 female, Santiago: Chiquita, Santa Cruz ( AMNH); 1 male, M. tibialis Stichel  Costa Lima det. ( IOC); 1 female 1 male, without locality.

IOC

Colecao de Culturas de Fungos do Instituto Oswaldo Cruz

AMNH

American Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Reduviidae

Genus

Microtomus

Loc

Microtomus tibialis Stichel, 1926

Coscaron, María Del Carmen, Melo, María Cecilia & Cuello, Nora 2003
2003
Loc

Microtomus tibialis

Stichel 1926
1926