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Haplothrips aculeatus
Fig. 1


Fig. 2


Fig. 3


Fig. 4


Fig. 5


Fig. 6


Fig. 7

Tergites 4-5

Fig. 8

Tergite 10

Fig. 9


Fig. 10


Fig. 11


Fig. 12



Fig. 1: Antenna
Fig. 2: Head dorsal with maxillary stylets and maxillary bridge
Fig. 3: Pronotum
Fig. 4: Prosternal sclerite plates
Fig. 5: Meso- and metanotum
Fig. 6: Fore- and hindwing
Fig. 7: Tergites IV and V with 2 pairs of sigmoid wing retaining setae
Fig. 8: Tergite X

ITS-RFLP gel patterns (1&8 ladder, 2 PCR-product, 3 RSAI, 4 HaeIII, 5 MspI, 6 HinfI, 7 AluI)
Fig. 9: Primer pair CS249/CSS250
Fig. 10: Primer pair O1/18J
Fig. 11: Primer pair P1/28Z
Fig. 12: Primer pair 18SMP/28SMP

Taxonomic Information

Haplothrips aculeatus (Fabricius, 1803)

Haplothrips crassicornis Priesner, 1928
Haplothrips funebris Priesner, 1928
Haplothrips cephalotes Bagnall, 1913
Anthothrips minor Karny, 1907
Phloeothrips japonicus Matsumura, 1899
Phloeothrips oryzae Matsumura, 1899
Thrips frumentarius Beling, 1872
Phloeothrips albipennis Burmeister, 1836
Thrips aculeatus Fabricius, 1803

Common name:
Cereal thrips

Present taxonomic position:
Family: Phlaeothripidae Uzel, 1895
Subfamily: Phlaeothripinae (Uzel) Priesner, 1928
Genus: Haplothrips Amyot & Serville, 1843


Species Recognition

General information about the genus Haplothrips:
Most of the 200 species within this genus are macropterous and have duplicated fringe cilia on the forewing, with the forewing constricted medially and contain well developed paired prosternal basantra. The species in this group which contain single fringed cilia on the forewing belong to the subgenus Trybomiella. In addition, Haplothrips species have four sense cones on antennal segment IV, the head contains a well developed maxillary bridge, complete epimeral sutures on the pronotum, a triangular shaped pelta, and abdominal tergites II through VII exhibit two wing retaining setae.

Typical character states of Haplothrips aculeatus:

Body color
Mainly brown

Number of antennal segments: 8
Segment III - number of sense cones: 1
Segment IV - number of sense cones: 3
Segments III & IV sensoria: emergent and simple

Basal thirds of cheeks: without a pair of stout setae
Maxillary stylet position: about one third of head width apart
Postocular setae: about half to nine tenths as long as
Maxillary bridge: present
Cheeks: without one pair of stout setae in basal third

Number of pairs of elongate pronotal setae: 1-4
Pronotum: with faint sculpture
Prosternal basantra: present

Metanotum structure: weakly rerticulate

Wings: present and more than half as long as abdomen
Forewing shape: constricted medially
Forewings: surface smooth, without veins, setae and microtrichia

Fore femur: without a strong, cylindrical tooth near the base

Abdominal segment X: complete tube in both sexes
Abdominal tergites: with curved wing-retaining setae



Life history:
This genus contains about 200 species which all live in flowers particularly composite flowers, rushes and sedges. Most of these species are found in the tropics of Europe, and Asia and their life cycle from egg to adult is not well known however, most life stages are found in the flowers mentioned above.

Host plants:

Vector capacity:
None identified

Current known distribution:
None identified

Additional notes:
This species is considered a pest in Eastern Europe.


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