Isophya modesta modesta (Frivaldszky, 1867)

Dragan P. Chobanov, Beata Grzywacz, Ionuţ Ş. Iorgu, Battal Cιplak, Maya B. Ilieva & Elżbieta Warchałowska-Śliwa, 2013, Review of the Balkan Isophya (Orthoptera: Phaneropteridae) with particular emphasis on the Isophya modesta group and remarks on the systematics of the genus based on morphological and acoustic data, Zootaxa 3658 (1), pp. 1-81 : 32-33

Isophya modesta modesta (Frivaldszky, 1867)

( Figs 16 , 44, 93 , 118 , 155 , 161 , 192 )

Odontura modesta Frivaldszky : Frivaldszky 1867 (sp.n.).

Isophya modesta modesta (Frivaldszky) : Kis 1960.

Isophya modesta intermedia Kis , syn.n.: Kis 1960 (ssp.n.).

Morphological description: see the references above; Harz 1969; Heller et al. 2004. Bioacoustics: Orci and Heller 2004; Heller et al. 2004.

Synonymy: Kis (1960) described I. modesta intermedia on the basis of slight morphological differences and different colouration of male tegmina recognising it from I. modesta modesta . At the time of this publication I. modesta was known from few localities in Central and Southwestern Romania and little was known on its morphological variation. Investigation of the song of typical I. m. intermedia showed it coincides with that of typical I. m. modesta . The measurements at 23°C were as follows: main part of syllables—56–170 ms with 15–26 impulses and impulse interval of 3–8 ms; second part—640–1340 ms with 25–42 impulses and impulse interval of 4(at the end)–127 ms. Both parts were separated by an interval of about 4–6 seconds and thus the total syllable duration was 5300–7460 ms. These characteristics fit well the measurements at higher temperatures given by Orci and Heller (2004) except the shorter main syllable part. However, regarding the great variability of the temporal song characteristics of I. m. modesta (compare Orci and Heller 2004) we consider I. m. intermedia a junior subjective synonym of I. m. modesta .

Diagnosis: see the data for I. modesta . Recognition from I. modesta rossica— see below.

Distribution ( Fig. 192 ) and phenology: Known from Slovakia, Hungary, Romania, Western and Central Ukraine, and possibly occurs also in Moldova. The subspecies prefers lowland and hilly terrains, rarely it was found in the middle mountain belt in mesophyte grass-bush associations. Nymphs—(III–)IV–V, imago—V–VII(– VIII).

Figures

FIGURE 192. Distribution of I. bureschi, I. andreevae, I. tosevski, I. clara, I. miksici, I. plevnensis, I. longicaudata adamovici, I. l. longicaudata, and I. modesta on the Balkan Peninsula.

FIGURES 1 – 18. General appearance of some Balkan Isophya. 1, 2 — I. hospodar (1 — male, 2 — female); 3 — I. thracica (male); 4, 5 — I. rectipennis (4 — male, 5 — female); 6, 7 — I. pavelii (6 — male, 7 — female); 8, 9 — I. bureschi (8 — male, 9 — female); 10, 11 — I. andreevae (10 — male, 11 — female); 12, 13 — I. plevnensis (12 — male, 13 — female); 14, 15 — I. m. modesta (= intermedia) (14 — male, 15 — female); 16 — I. l. longicaudata (male); 17 — I. rhodopensis leonorae (male); 18 — I. rh. petkovi (male) (Figures 6 – 11, 17, 18 — photo M. Langourov).

FIGURES 80 – 104. Male abdominal terminalia of the Balkan Isophya and I. yaraligozi (localities as in Figs 31 – 55): 80 — I. hospodar; 81 — I. rectipennis; 82 — I. pavelii; 83 — I. thracica; 84 — I. bureschi; 85 — I. yaraligozi; 86 — I. tosevski; 87 — I. andreevae; 88 — I. clara; 89 — I. miksici; 90 — I. plevnensis; 91 — I. longicaudata adamovici; 92 — I. l. longicaudata; 93 — I. m. modesta (= intermedia); 94 — I. rhodopensis leonorae; 95 — I. rh. rhodopensis; 96 — I. rh. petkovi; 97 — I. modestior; 98 — I. dobrogensis; 99 — I. zubowskii; 100 — I. aff. camptoxypha; 101 — I. gulae; 102 — I. obtusa; 103 — I. amplipennis; 104 — I. speciosa. Scale (if present) = 2 mm.

FIGURES 105 – 129. Female abdominal terminalia of the Balkan Isophya and I. yaraligozi (localities as in Figs 31 – 55 unless specifically given); figures of the whole ovipositor are followed by enlarged figure of the ovipositor base: 105 — I. hospodar (BG: Dolni Glavanak, 25.04. 2005, CC); 106 — I. rectipennis (BG: Byala Vill., 27.06. 2002, CC); 107 — I. pavelii (BG: Chernogorovo, 29.05. 2006, CC); 108 — I. thracica; 109 — I. bureschi (BG: Bansko, 8.08. 2006, CC); 110 — I. yaraligozi; 111 — I. tosevski; 112 — I. andreevae (BG: Kresnensko Hanche, 19.04. 2006, CC); 113 — I. clara; 114 — I. miksici (BG: Gorski Dom Lodge, 24.06. 2006, CC); 115 — I. plevnensis (BG: Levishte, 14.07. 2009, CC); 116 — I. longicaudata adamovici (BG: Karandila, 24.06. 2008, CC); 117 — I. l. longicaudata (BG: Sofia University Botanical garden, 26.06. – 1.07.2004, CC); 118 — I. m. modesta (= intermedia); 119 — I. rhodopensis leonorae (BG: Livade, 9.08. 2006, CC); 120 — I. rh. rhodopensis (BG: Bachkovo, 600 m, 23.05. 2004, CC); 121 — I. rh. petkovi (BG: Gluhite Kamani, 23.06. 2008, CC); 122 — I. modestior (BG: Bankya, 24.05. 2006, CC); 123 — I. dobrogensis; 124 — I. zubowskii; 125 — I. aff. camptoxypha (data as in Fig. 75); 126 — I. gulae; 127 — I. obtusa (BG: Ravnets Ridge, 14.07. 2009, CC); 128 — I. amplipennis (as in Fig. 78); 129 — I. speciosa (BG: Bankya, 24.05. 2006, CC). Indications on Fig. 127 show, respectively: G—gonangulum; L—lamella; P—lateral pit between lamella and gonangulum. Scale (if present) = 5 mm.

FIGURES 150 – 155. SEM of taxonomically important structures of Isophya: 150, 151 — I. miksici (150 — BG: Gorski Dom Lodge; 151 — BG: Iskar); 152 — I. plevnensis (152 A—BG: Chernelka Canyon; 152 B, C—BG: Apriltsi); 153 — I. longicaudata adamovici (BG: Karandila Locality); 154 — I. longicaudata longicaudata (BG: Bolata Valley); 155 — I. m. modesta (= intermedia) (RO: Babadag). A—male stridulatory file (scale 1 mm); B—ventro-apical view of apex of male cerci (152 B deformed) (scale 100 μm); C—female stridulatory apparatus (scale 500 μm).

FIGURES 156 – 161. Male calling song at two different speeds (air temperature at recording shown; time scale below): 156 — I. miksici (BG: Gorski Dom Lodge); 157 — I. plevnensis (BG: Apriltsi); 158, 159 — I. longicaudata adamovici (BG: Karandila Locality, two males); 160 — I. longicaudata longicaudata (BG: Bolata Valley); 161 — I. modesta modesta (RO: Babadag). Break-signs in Fig. 161 B indicate the missing silent interval of the syllable shown in Fig. 161 A.