Diapherodes achalus (Rehn, 1904), comb. n.


Synonymy

Aplopus achalus Rehn, 1904a, Proc Acad Nat Sci Philadelphia, 1904: 68.
            [ Type locality:  Adjuntas, Puerto Rico. ]
        Wetmore, 1916, Bull United States Dept Agr 326: 58.
        Wolcott, 1923, Journ Dept Agric Porto Rico VII (1): 23.
        Wolcott, 1936, Journ Agric Univ Puerto Rico XX (1): 35.
        Wolcott, 1948, Journ Agric Univ Puerto Rico XXXII (1): 50.
        Wolcott, 1951, Bull Agric Exper Stat Univ Puerto Rico 99: 50.
Haplopus achalus (Rehn)
        Kirby, 1904c, Synonymic Catalogue of Orthoptera, I: 363.
        Redtenbacher, 1908, Insektenfamilie der Phasmiden, p 430.
Diapherodes longiscapha Redtenbacher, 1908, Insektenfamilie der Phasmiden,
            pp 434, 435.
            [ Type locality:  Puerto Rico. ]   Syn. n.
        Wolcott, 1923, Journ Dept Agric Porto Rico VII (1): 23.
        Wolcott, 1936, Journ Agric Univ Puerto Rico XX (1): 35.
        Wolcott, 1948, Journ Agric Univ Puerto Rico XXXII (1): 50.
        Wolcott, 1951, Bull Agric Exper Stat Univ Puerto Rico 99: 50.
Diapherodes gigantea Wolcott, 1923, Journ Dept Agric Porto Rico VII (1): 23.
            [ Nec Gmelin, 1789. ]
        Wolcott, 1936, Journ Agric Univ Puerto Rico XX (1): 35.
        Wolcott, 1948, Journ Agric Univ Puerto Rico XXXII (1): 50.
        Wolcott, 1951, Bull Agric Exper Stat Univ Puerto Rico 99: 50.
Diapherodes krugii Wolcott, 1923, Journ Dept Agric Porto Rico VII (1): 23.
            Nom. nud.
        Wolcott, 1936, Journ Agric Univ Puerto Rico XX (1): 35.



Description
Color.  Bright green in life.
Male.Head with the vertex only slightly swollen, the tubercles obsolete. Pro- and mesonota glabrous, at most with a few small granules. Meso- and metasterna smooth. Mesopleurae smooth; metapleurae punctate. Abdominal tergite VIII slightly expanded, X emarginate apically. Subgenital plate rounded apically. Cerci slender. Legs with the lateral carinae finely serrate; lower median carina of all femora with two small tubecles or spines; posterior first tarsomere not as long as the next two together. Tegmina with the anterior margin yellow, then brown; wings reaching to the middle of abdominal segment VII, anterior area yellowish-green, veins bright green, posterior area rosy.
 
Female.  Head with the vertex swollen, bituberculate, the sinistral tubercle much reduced. Pronotum glabrous or with a few small granules; mesonotum smooth, medially carinate and strongly constricted anteriorly, sometimes with a few granules. Meso- and metasterna smooth. Mesopleurae with a few scattered tubercles or short spines, especially in the posterior third; metapleurae with small spines. Abdominal tergites II-IV with the posterior margins smooth, VII with four irregular carinae, margins slightly dilated in the middle, X medially carinate, apically rounded. Supraanal plate hidden. Subgenital plate very elongate. Legs with the lateral carinae finely serrate; lower median carina of all femora with two small tubecles or spines; posterior first tarsomere not as long as the next two together. Tegmina present, green, with the anterior margin darker colored, the veins bright green; wings present, reaching to about the middle of the median segment.
Illustrations.
1.     [ Diapherodes longiscapha Redtenbacher, 1908:  Geneva Museum ]
Geographic distribution.  Throughout the mountainous regions of Puerto Rico.
Type material.
A. achalus.
    A male. Adjuntas, P.R. 12 Apr. 00. C.W. Richmond Collector. Type No. 7344 [ USNM ]
D. longiscapha.
    A female. Portorico. Coll. Klug. No. 2. 141. Lectotype here selected. [ ZMHU ]
Systematic notes.  This species is called the caballo de San Pedro in Puerto Rico. I took two pairs together in the Luquillo Forest.
 
I have examined eight males and 11 females.


Measurements
  Males Females
Total length 61-74 mm 92-114 mm
  mesonotum 10-12 mm 17- 22 mm
  metanotum & median segment  9-11 mm 12- 16 mm
  anterior femur 10-13 mm 14- 18 mm
  median femur 10-12 mm 12- 17 mm
  posterior femur 13-16 mm 17- 23 mm
  tegmen 10-11 mm  8- 10 mm
  wing 37-42 mm  8- 10 mm

Known Distribution
Puerto Rico island label only GM
Mayaguez ANSP
Maricao Forest CFM
Yauco ANSP
Adjuntas USNM
AMNH
Utuado USNM
Jayuya ANSP
Aibonito ANSP
Cayey USNM
Caguas USNM
Luquillo Experimental Forest, El Verde ANSP
RJL
CFM

 




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