# False spider mites (Trombidiformes: Tenuipalpidae) from Saudi Arabia; a new species of the genus Phytoptalpus Trägårdh, and first records of species in the genera Obuloides Baker & Tuttle and Aegyptobia Sayed

Eid Muhammad Khan, Muhammad Kamran, Jaber Fahad Alatawi

► To cite this version:

Eid Muhammad Khan, Muhammad Kamran, Jaber Fahad Alatawi. False spider mites (Trombidiformes: Tenuipalpidae) from Saudi Arabia; a new species of the genus Phytoptalpus Trägårdh, and first records of species in the genera Obuloides Baker & Tuttle and Aegyptobia Sayed. Acarologia, 2022, 62 (4), pp.1111-1118. 10.24349/8se0-buxb. hal-03818627

HAL Id: hal-03818627

https://hal.science/hal-03818627

Submitted on 18 Oct 2022

HAL is a multi-disciplinary open access
archive for the deposit and dissemination of sci-
entific research documents, whether they are pub-
lished or not. The documents may come from
teaching and research institutions in France or
abroad, or from public or private research centers.

L'archive ouverte pluridisciplinaire HAL, est
destinée au dépôt et à la diffusion de documents
scientifiques de niveau recherche, publiés ou non,
émanant des établissements d'enseignement et de
recherche français ou étrangers, des laboratoires
publics ou privés.

<figure><img src="image_1.png" /></figure>

Distributed under a Creative Commons Attribution 4.0 International License
<figure><img src="image_2.png" /></figure>

Acarologia

A quarterly journal of acarology, since 1959
Publishing on all aspects of the Acari

All information:
http://www1.montpellier.inra.fr/CBGP/acarologia/
acarologia-contact@supagro.fr

<figure><img src="image_3.png" /></figure>

OPEN ACCESS

Acarologia is proudly non-profit,
with no page charges and free open access

Please help us maintain this system by
encouraging your institutes to subscribe to the print version of the journal
and by sending us your high quality research on the Acari.

Subscriptions: Year 2022 (Volume 62): 450 €
http://www1.montpellier.inra.fr/CBGP/acarologia/subscribe.php

Previous volumes (2010-2020): 250 € / year (4 issues)
Acarologia, CBGP, CS 30016, 34988 MONTFERRIER-sur-LEZ Cedex, France
ISSN 0044-586X (print), ISSN 2107-7207 (electronic)

The digitalization of Acarologia papers prior to 2000 was supported by Agropolis Fondation under the reference ID 1500-024 through the « Investissements d'avenir » programme
(Labex Agro: ANR-10-LABX-0001-01)

<figure><img src="image_4.png" /></figure>

<figure><img src="image_5.png" /></figure>

Acarologia is under **free license** and distributed under the terms of the
Creative Commons-BY
Acarologia

Open Science
in Acarology

# False spider mites (Trombidiformes: Tenuipalpidae) from Saudi Arabia; a new species of the genus *Phytoptipalpus* Trägårdh, and first records of species in the genera *Obuloides* Baker & Tuttle and *Aegyptobia* Sayed

Eid Muhammad Khan IDª, Muhammad Kamran IDª, Fahad Jaber Alatawi IDª

## Original research

### ABSTRACT

A new false spider mite (Acari: Trombidiformes: Tenuipalpidae) species, *Phytoptipalpus jubailensis* n. sp., Khan, Kamran & Alatawi, is described and illustrated based on adult female, collected from *Capparis decidua* (Forssk.) Edgew. (Capparaceae). The genus *Obuloides* Baker & Tuttle is recorded for the first time from Saudi Arabia, with the record of *O. inquilinus* Ueckermann, Theron & Tiedt, from *Haloxylon salicornicum* (Moq.) Bunge ex Boiss (Amaranthaceae). In addition, two new records of species in the genus *Aegyptobia* Sayed, *A. hamus* Chaudhri and *A. abuzabiensis* Meyer & Van Dis, are presented from *Kaviria lachnantha* (Botsch.) Akhani (Amaranthaceae), and *H. salicornicum* (Moq.) Bunge ex Boiss. (Amaranthaceae), respectively.

**Keywords** Amaranthaceae; Capparaceae; Middle East; Taxonomy; Tetranychoidea

**Zoobank** http://zoobank.org/1C4B318C-770C-4290-BE7B-3B46AD523A11

### Introduction

Tenuipalpidae (Acari: Trombidiformes) is one of the most important family of phytophagous mites, comprising 1013 valid species placed in 39 genera (Castro *et al.*, 2022). Several species are economically important pests of various agricultural plants and worldwide distributed (Jeppson *et al.*, 1975; Mesa *et al.*, 2009). Individuals of this family are commonly known as flat mites or false spider mites. False spider mites are poorly explored from Saudi Arabia (SA). Twenty-eight species belonging to 10 genera have been recorded till now from SA (Alatawi 2011; Alatawi and Kamran 2014; Alatawi *et al.*, 2015; Kamran *et al.*, 2016; Khan *et al.*, 2019).

*Phytoptipalpus* Trägårdh is a small genus of the family Tenuipalpidae, consisting of 23 nominal species distributed across the Afrotropical, Eastern Palearctic, Neotropical and Oriental regions (Mesa *et al.*, 2009; Ueckermann *et al.*, 2019; Bastani and Asadi, 2021; Castro *et al.*, 2022). Recently, Ueckermann *et al.* (2019) developed a key to species of the genus *Phytoptipalpus* which includes 22 species. *Phytoptipalpus occultuae* Ueckermann, Ochoa and Bauchan a unique species having a rudimentary leg four. Previously, only one species of *Phytoptipalpus* (*P. phoenicis* Alatawi & Kamran on date palm) have been reported from SA (Alatawi *et al.*, 2015). This genus is morphologically close to *Aegyptobia* Sayed, from which it differs by the number of anal setae, two vs. three in *Aegyptobia* (Mesa *et al.*, 2009). Kamran

Received 13 March 2022
Accepted 06 October 2022
Published 18 October 2022

Corresponding author
Fahad Jaber Alatawi ID:
falatawi@ksu.edu.sa

Academic editor
Navia, Denise

https://doi.org/10.24349/8se0-buxb

ISSN 0044-586X (print)
ISSN 2107-7207 (electronic)

<figure><img src="image_6.png" /></figure>

Khan E. M. et al.

Licensed under
Creative Commons CC-BY 4.0

OPEN ACCESS

<footnote>ªAcarology laboratory, Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, 11451, P.O. Box 2460, Riyadh, Saudi Arabia.</footnote>
et al., 2016 and Khanjani et al., 2012 transferred three species, *Aegyptobia eupharatica* Al-Gboory, *Aegyptobia populous* Papaioannou-Souliotis and *Aegyptobia salicicola* (Al-Gboory) from the genus *Aegyptobia* to *Phytoptipalpus* based on two pairs of anal setae.

*Obuloides* Baker & Tuttle is one of the smallest genera of flat mites, containing only eight known species (Maake and Ueckermann, 2018, Castro *et al.*, 2022). Most of the described species in this genus have been collected in Africa except for one species each from Phillipines and India in the 1970's (Baker and Tuttle, 1975; Corpuz-Raros, 1978; Ueckermann *et al.*, 2010). Most of the species in Africa have been associated with the galls and buds of the trees (Ueckermann *et al.*, 2010).

*Aegyptobia* is one of the largest genera in the family Tenuipalpidae with about 105 species (Kamran *et al.*, 2016; Kontschán and Ripka, 2018; Hasanvand *et al.*, 2019). Previously, only eight *Aegyptobia* species have been reported from SA (Alatawi and Kamran, 2014; Kamran *et al.*, 2016; Khan *et al.*, 2019).

In this study, a new species, *Phytoptipalpus jubailensis n. sp.*, is described and illustrated based on adult female. Additionally, three species are recorded for the first time in SA: *Obu-loides inquilinus* Ueckermann, Theron & Tiedt; *Aegyptobia hamus* Chaudhri and *Aegyptobia abuzabiensis* Meyer & Van Dis. Regarding to *O. inquilinus*, it is the first species of the genus recorded in SA.

## Material and methods

Different provinces of SA were surveyed for the collection of Tenuipalpid mites during 2018–2022. Specimens were collected by shaking the plant foliage over a white sheet of paper and preserved in small vials containing 70% ethanol. The specimens were mounted on glass slides in Hoyer’s medium under a stereomicroscope (SZX10, Olympus, Tokyo, Japan). After drying, the slide mounted specimens were examined under phase contrast microscope (BX51, Olympus®, Japan) by using diagnostic keys and available literatures. Key to the genera of Tenuipalpidae prepared by Mesa *et al.*, 2009 was used for identification. Different body parts were imaged by using an auto-montage software system (Syncroscopy, Cambridge, UK) attached to a phase contrast microscope (DM2500, Leica®, Germany), then drawn with Adobe Illustrator (Adobe System Inc., San Jose, CA, USA). All measurements are given in micro-meters (μm). The morphological terminology used in this study follows Lindquist (1985). Leg chaetotaxy is adapted from Lindquist, 1985, Xu and Fan, 2010, and Seeman and Beard, 2011. All collected specimens were deposited at Museum of Arthropods (KSMA, Acarology section), Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia.

## Results

### Family Tenuipalpidae Berlese

### Genus *Phytoptipalpus* Trägårdh

Type species: *Phytoptipalpus paradoxus* Trägårdh, 1904

**Diagnosis** — Based on the Meyer and Van Dis, 1993 and Ueckermann *et al.*, 2019.

### *Phytoptipalpus jubailensis* n. sp.

Zoobank: 65DCE304-256E-462E-A6DC-D8C7E936E049

(Fig. 1-4)

#### Diagnosis

Propodosoma posterio-medially with coarse transverse, irregular broken striations and anterio-medial parts is without striation; laterally longitudinal to oblique; hysterosoma with 13 pairs
<figure><img src="image_7.png" /><figcaption>**Figure 1** *Phytoptipalpus jubailensis* n. sp., adult female: **a**, **b** – Dorsum. Scale bars a, b = 100 µm.</figcaption></figure>

of setae (f2 present); dorsal body setae simple, barbed and lanceolate; ventral idiosoma with
coarse transverse striation; genital plate mostly smooth; palp five segmented; leg setal counts
on leg I–IV trochanters, 1–1–2–1; femora, 3–3–2–1; genua, 1–1–0–0; tibiae, 4–4–3–3; tarsi
8(1ω)–8(1ω)–5–5.

**Description of the adult Female (n=4)**

*Dorsum* – (Fig. 1a–b). Colour in life red. Idiosoma oval. Measurements (measurements of 3 paratypes in parentheses): Length of body (excluding gnathosoma) 278 (270–285); (including gnathosoma) 346 (338–358); width 164 (158–170).

Anterior margin of prodorsum rounded (Fig. 1a). Propodosoma posterio-medially with transverse broken coarse striations; anterio-medial parts without striations; laterally longitudinal to oblique striations; with two pairs of small eyes, setae *v2*, *sc1*, *sc2* simple serrate, barded and similar length. Opisthosoma medially with coarse transverse striations up to setae *e* and
<figure><img src="image_8.png" /><figcaption>**Figure 2** *Phytoptipalpus jubailensis* n. sp., adult female: **a**, **b** – Venter. Scale bars a, b = 100 µm.</figcaption></figure>

longitudinal laterally; hysterosoma with 13 pairs of narrowly lanceolate serrate setae, posterior
hysterosoma setae (*e3*, *f2*, *f3*, *h2*) longer in length; seta *f2* present; three pairs of opisthosomal
pores present between setae *c2* and *d2*; hysterosoma with inverse V-shaped and irregular
striations laterally. Lengths of dorsal body setae: *v2* 19 (18–20), *sc1* 22 (20–22), *sc2* 23
(21–24), *c1* 16 (15–16), *c2* 17 (16–18), *c3* 21 (20–22), *d1* 18 (17–19), *d2* 17 (16–17), *d3* 19
(18–20), *e1* 17 (16–17), *e2* 22 (20–23), *e3* 23 (22–25), *f2* 23 (22–24), *f3* 28 (26–29), *h1* 22
(21–24), *h2* 27 (26–29); distances between dorsal setae: *v2–v2* 47 (45–50), *v2–sc1* 37 (35–39),
*sc1–sc1* 99 (96–103), *sc2–sc2* 147 (143–151), *sc1–sc2* 32 (30–34), *sc2–c1* 75 (72–77), *sc2–
c2* 52 (49–55), *sc2–c3* 47 (45–50), *c1–c1* 35 (33–37), *c1–c2* 36 (34–37), *c2–c3* 16 (14–17),
*c2–c2* 117 (113–120), *c3–c3* 153 (149–155), *d1–d1* 43 (41–45), *d2–d2* 84 (81–87), *d3–d3* 104
<figure><img src="image_9.png" /><figcaption>**Figure 3** *Phytoptipalpus jubailensis* n. sp., adult female: **a** – Palp; **b** – Sub-capitulum. Scale bars a, b = 20 µm.</figcaption></figure>

(102–107), *d1–d2* 20 (19–21), *d2–d3* 26 (25–27), *e1–e1* 40 (38–43), *e2–e2* 89 (87–92), *e3–e3* 105 (99–108), *e1–e2* 25 (24–26), *e2–e3* 21 (20–23), *f2–f2* 80 (76–83), *f3–f3* 94 (92–96), *h1–h1* 36 (34–37), *h2–h2* 68 (66–70), *c1–d1* 53 (51–54), *d1–e1* 44 (42–45), *e1–f2* 38 (36–40), *c2–d2* 56 (54–58), *c3–d3* 65 (63–68), *d2–e2* 48 (46–49), *d3–e3* 55 (53–58), *e2–f2* 29 (28–30), *e3–f3* 13 (12–14), *f2–f3* 12 (11–13), *f2–h2* 22 (19–23), *f2–h1* 29 (27–30), *h1–h2* 17 (16–18).

*Venter* – (Fig. 2a–b). Venteral idiosoma with coarse transverse striations between setae *1a* to *ag*; lateral opisthosomal cuticle with longitudinal striations; coxal and intercoxal setae very longer in length; genital area smooth; measurements of ventral setae: *1a* 48 (46–50), *1b* 37 (35–39), *1c* 25 (23–27), *2b* 43 (40–45), *2c* 39 (37–41), *3a* 57 (54–60), *3b* 51 (49–53), *4a* 49 (46–51), *4b* 37 (35–38); one pair of aggenital setae *ag* 32 (30–33), *ag–ag* 19 (18–20); two pairs of genital setae, *g1* 21 (19–21), *g2* 18 (17–19), *g1–g1* 27 (26–27), *g2–g2* 39 (40–41); two pairs of pseudo-anal setae, *ps1* 13 (11–14), *ps2* 8 (7–9), *ps1–ps1* 40 (38–41), *ps2–ps2* 37 (35–38). Aggenital setae smooth and longer than genital setae; posterior ventral setae (*ps1*, *ps2*) always shorter than genital setae and finely serrate; distances between ventral setae: *1a–1a* 24 (23–25), *3a–3a* 38 (36–40), *4a–4a* 19 (18–20), *1b–1c* 17 (16–17), *2b–2c* 21 (20–22), *1a–3a* 96 (94–99), *3a–4a* 48 (46–50), *4a–ag* 74 (73–78), *ag–g1* 32 (31–33), *g1–g2* 6 (5–6), *ag–g2* 35 (33–37), *g1–ps1* 30 (28–31), *g1–ps2* 32 (30–33), *g2–ps1* 31 (29–33), *g2–ps2* 34 (32–35).

*Gnathosoma* – (Fig. 3a–b). Rostrum reaching to the end of tibia I; palp five segmented; palp tarsus with one eupathidium, *ul'6* (6–7); palp tibia with two setae; palp genu without seta; palp femur with a dorsal seta *d* 19 (17–20); ventral infracapitulum with setae *m* 12 (11–13), *m–m* 16 (15–17) (Fig. 3b).

*Legs* – (Fig. 4a–d). Length of legs I–IV (without coxeae): 76 (73–79), 68 (65–70), 72 (69–74), 74 (72–78). Leg I–IV setal count as follows (solenidia in parenthesis): coxeae 2–2–1–1; trochanters, 1–1–2–1; femora 3–3–2–1; genua 1–1–0–0; tibiae 4–4–3–3; tarsi 8 (1ω)–8 (1ω)–5–5; dorsal seta on femur I and II are narrowly lanceolate, similar to the dorsal body setae.

**Males and immatures** — Unknown
<figure><img src="image_10.png" /><figcaption>**Figure 4** *Phytoptipalpus jubailensis* n. sp., adult female: a – Leg I; b – Leg II; c – Leg III; d – Leg IV. Scale bar a–d = 50 µm.</figcaption></figure>

**Etymology**

Name of the species is proposed on the name of the locality "Jubail" from where the type
specimens were collected.

**Type materials**

Holotype female and three paratype females, *Capparis decidua* (Forssk.) Edgew. (Capparaceae), Jubail, Saudi Arabia, 27°4′16.15656″N, 49°35′13.4934″E, 19 October 2019, coll. M. Kamran and H. M. Saqib.

**Remarks**

*Phytoptipalpus* is small genus and include few species and there is no information on bioecological aspects, e.g. occurrence of diapause, dispersal strategies, host specificity and seasonality. Most of the species are diagnosed based only on female specimens found on different seasons and localities. *Phytoptipalpus jubailensis* n. sp., is varying from all other species in the genus *Phytoptipalpus* based on the dorsomedial striae. The striae on posterior half part of propodosoma dorsomedially with coarse transverse whereas anteriorly smooth (without striations). The new species closely resembles *P. eupharatica* (Al-Gboory, 1987) which has been reported from Iraq, geographically closes to Saudi Arabia. However, propodosoma dorsomedially posterior half in the new species has coarse transverse striations, whereas these striations are longitudinal to "v» shaped in *P. eupharatica*. Also, the area between the anterior and posterior medioventral metapodosomal setae is transverse in the new species vs. smooth in the *P. eupharatica*. These two species are also different in legs chaetotaxy on trochanter III; 2 vs. 1, tibiae I–II; 2 vs. 1 and 4–4 vs. 3–3 respectively, in *P. eupharatica* (Al-Gboory, 1987).
**New records for Saudi Arabia**

The collection data including distribution, host, and global positioning system (GPS) coordinates of some newly recorded tenuipalpid mites from Saudi Arabia.

**Genus Obuloides Baker and Tuttle**

**Obuloides inquilinus Ueckermann, Theron & Tiedt**

*Obuloides inquilinus* Ueckermann, Theron & Tiedt, 2010: 164.

**Material examined** — Five females, three males, two nymphs, *Haloxylon salicornicum* (Moq.) Bunge ex Boiss. (Amaranthaceae), Faifa, Jazan, 17°15'.643"N, 43°07'.06"E, 08 October 2020, coll. Eid M. Khan, J. H. Mirza and H. M. Saqib.

**Distribution** — South Africa (Ueckermann *et al.*, 2010).

**Known hosts** — Gall of *Grewia flava* DC (Malvaceae) (Ueckermann *et al.*, 2010).

**Genus Aegyptobia Sayed**

**Aegyptobia hamus Chaudhri**

*Aegyptobia hamus* Chaudhri, 1972: 20.

**Material examined** — Two females, *Kaviria lachnantha* (Botsch.) Akhani (Amaranthaceae), Khobar, 26°14′26.18016″N, 49°59′44.0574″E, 17 October 2019, coll. M. Kamran and H. M. Saqib; two females, *Fagonia boveana* (Hadidi) El Karemy and El Naggar (Zygophyllaceae), near Dhahran Beach, 25°46′43.482″N, 49°35′13.4934″E, 17 October 2019, coll. M. Kamran and H. M. Saqib; seven females, *Kaviria lachnantha*, Khobar, 26°24′25.7508″N, 50°8′24.8477″E, 18 October 2019, coll. M. Kamran and H. M. Saqib; two females, *Heliotropium bacciferum* Forssk. (Boraginaceae), Jubail, 26°58′16.320″N, 49°40′13.231″E, 19 October 2019, coll. M. Kamran and H. M. Saqib.

**Distribution** — Pakistan and Iran (Chaudhri, 1972; Farzan and Asadi, 2015).

**Known hosts** — *Heliotropium* sp. (Boraginaceae), *Thuja orientalis* (Cupressaceae), *Cassia fistula* (Leguminosae), *Fallopia convolvulus* (Polygonaceae) (Chaudhri, 1972; Chaudhri and Akbar, 1985, Farzan and Asadi, 2015, Castro *et al.*, 2022).

**Aegyptobia abuzabiensis Meyer & Van Dis**

*Aegyptobia abuzabiensis* Meyer & Van Dis, 1993: 314.

**Material examined** — Two females, *H. salicornicum* (Moq.) Bunge ex Boiss. (Amaranthaceae), Khobar, 25°54′13.853″N, 49°39′22.644″E, 17 October 2019, coll. M. Kamran and H. M. Saqib.

**Distribution** — Abu-Zabi (Abu-Dhabi), United Arab Emirates (Meyer and Van Dis, 1993; Castro *et al.*, 2022).

**Known hosts** — *Cornulaca monacantha* Delile (Amaranthaceae) (Meyer and Van Dis, 1993; Castro *et al.*, 2022).

**Acknowledgements**

We are thankful to editor and anonymous reviewers for the revision and helpful suggestions on the manuscript. The authors are grateful to the Deanship of Scientific Research at King Saud University, Riyadh for providing facilities and fund to complete this research work through the research grants [RG-1437-043].
ORCID

Eid Muhammad Khan https://orcid.org/0000-0001-5008-2524

Muhammad Kamran https://orcid.org/0000-0001-6084-203X

Fahad Jaber Alatawi https://orcid.org/0000-0002-6824-2650

References

Alatawi F.J., 2011. Phytophagous and predaceous mites associated with vegetable crops from Riyadh, Saudi Arabia. Saudi J. of Biol. Sci., 18(3): 239-246. https://doi.org/10.1016/j.sjbs.2011.02.004

Alatawi, F.J., Kamran M. 2014. Two new flat mite species of *Aegyptobia* and *Pentamerismus* (Acari: Tenuipalpidae) from Saudi Arabia. Turk J Zool., 39(2): 244-250. https://doi.org/10.3906/zoo-1311-12

Alatawi F.J., Kamran M., Negm M.W. 2015. False spider mites (Acari: Tenuipalpidae) associated with date palm orchards in Saudi Arabia: description of two new species and new records. Syst. and App. Acarol., 20(7): 809-830. https://doi.org/10.11158/saa.20.7.9

Baker E.W., Tuttle D.M. 1975. A new genus of Tenuipalpidae (Acarina) from India. USDA Cooperative Economic Institute Report, 25(2): 453-455.

Bastani Rad, D., Asadi M. 2021. A new species of the genus *Phyoptipalpus* (Acari: Tenuipalpidae) from Iran. Int. J. Acarol., 47(1): 1-7. https://doi.org/10.1080/01647954.2020.1866665

Castro E.B., Mesa N.C., Feres R.J.F., Moraes G.J.de, Ochoa R., Beard J.J. Demite P.R. 2022. Tenuipalpidae Database. Available from: _urlbibhttp://www.tenuipalpidae.ibilce.unesp.br_ (accessed 10 March 2022).

Chaudhri W.M. 1972. Five new species of mites of the genus *Aegyptobia* from Pakistan (Acarina: Tenuipalpidae). Pakistan Journal of Scientific Research, 24 (1/2): 18-24.

Chaudhri W.M. 1985. Studies on the bio systematic and control of mites of field crops, vegetables and fruit plants in Pakistan. University of Agriculture Faisalabad, Pakistan, Technical Bulletin: 344pp.

Corpuz-Raros L.A. 1978. New Philippine Tetranychoidea (Acarina). Kalikasan, Philippines Journal of Biology, 7(3): 211-230.

Farzan S., Asadi M. 2015. Re-description of *Aegyptobia hamus* Chaudhri (Acari: Trombidiformes: Tenuipalpidae) based on specimens from Iran. Persian J. Acarol., 4(2): 189-196. https://doi.org/10.22073/pja.v4i2.11440

Hassanvand I., Jafari S., Khanjani M., Khanjani M. 2019. A new species of the genus *Aegyptobia* (Acari: Tenuipalpidae) from Lorestan province, Iran. Persian J. Acarol., 8(1): 11-18. https://doi.org/10.22073/pja.v8i1.41300

Jeppson L.R., Keifer H.H., Baker E.W. 1975. Mites injurious to economic plants. University of California Press, Berkeley, Los Angeles, London; p. 614. https://doi.org/10.1525/9780520335431

Khan E.M., Kamran M., Alatawi F.J. 2019. Flat mites (Acari: Tenuipalpidae) from Saudi Arabia: two new species, new records and key to all known species. J. Nat. Hist., 53(3-4): 185-208. https://doi.org/10.1080/00222933.2019.1581294

Kamran M., Mushtaq H.M.S., Alatawi F.J. 2016. The genus *Aegyptobia* Sayed (Acari: Trombidiformes: Tenuipalpidae) from Saudi Arabia: five new species and a key to the world species. Internat. J. Acarol., 43(2): 91-111. https://doi.org/10.1080/01647954.2016.1233999

Khanjani M., Khanjani M., Seeman O.D. 2012. The false spider mites of the genera *Aegyptobia* Sayed and *Phyoptipalpus* Trägårdh (Acari: Tenuipalpidae) from Iran. Zootaxa, 3295(1): 30-58. https://doi.org/10.11646/zootaxa.3295.1.2

Kontschán J., Ripka G. 2018. A new species of *Aegyptobia* and re-description of Tenuipalpusszarvasensis Bozai, 1970 (Acari, Tenuipalpidae). ZooKeys, (785): 99-115. https://doi.org/10.3897/zookeys.785.27684

Lindquist E.E. 1985. External anatomy. In: Helle W., Sabelis M.W. (Eds.), Spider mites: Their biology, natural enemies and control. Vol. 1A. Amsterdam, Elsevier Science Publishers B.V., pp. 3-28.

Maake P.A., Ueckermann E.A. 2018. *Obuloides crinitus* sp. nov., sixth African species of the gall forming mites of the genus *Obuloides* Baker and Tuttle, 1975 (Acari: Tenuipalpidae), with a key to known species. Syst. and Appl. Acarol., 23(5): 995-1003. https://doi.org/10.11158/saa.23.5.14

Mesa N.C., Ochoa R., Welbourn W.C., Evans G.A., De Moraes G.J. 2009. A catalogue of the Tenuipalpidae (Acari) of the World with a key to genera. Zootaxa, 2098(1): 1-185. https://doi.org/10.11646/zootaxa.2098.1.1

Meyer M.K.P.S., Van Dis J.C.S. 1993. Notes on some species of the related genera *Aegyptobia* Sayed, *Phyoptipalpus* Tragardh and *Pentamerismus* McGregor, with descriptions of eight new species [Acari: Tenuipalpidae]. Genus. International Journal of Invertebrate Taxonomy, 4(4): 309-357.

Seeman O.D., Beard J.J. 2011. A new species of *Aegyptobia* (Acari: Tenuipalpidae) from Myrtaceae in Australia. Syst. and Appl. Acarol., 16(1): 73-89. https://doi.org/10.11158/saa.16.1.10

Ueckermann E.A., Ochoa R., Bauchan G.R., Neser S. 2019. An amazing sub-cambium flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae). Acarologia, 59(4): 507-530. https://doi.org/10.24349/acarologia/20194351

Ueckermann E.A., Theron P.D., Tiedt L.R. 2010. Revision of the genus *Obuloides* Baker and Tuttle (Acari: Tenuipalpidae), with the description of five new species. Int. J. Acarol., 36(2): 151-167. https://doi.org/10.1080/01647950903555442

Xu Y., Fan Q.H. 2010. *Tenuipalpus orilloi* Rimando, a new record to the Chinese fauna (Acari: Tenuipalpidae). Syst. and Appl. Acarol., 15(2): 135-138.2.8 https://doi.org/10.11158/saa.15.2.8